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1344435437 is a prime number
BaseRepresentation
bin101000000100010…
…0111010011101101
310110200210101201002
41100020213103231
510223133413222
6341223530045
745213340562
oct12010472355
93420711632
101344435437
1162a998274
123162b9925
131856c5637
14ca7aa869
157d06b392
hex502274ed

1344435437 has 2 divisors, whose sum is σ = 1344435438. Its totient is φ = 1344435436.

The previous prime is 1344435403. The next prime is 1344435451. The reversal of 1344435437 is 7345344431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1338535396 + 5900041 = 36586^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344435437 - 218 = 1344173293 is a prime.

It is a super-2 number, since 2×13444354372 = 3615013288522761938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1344435437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344435457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672217718 + 672217719.

It is an arithmetic number, because the mean of its divisors is an integer number (672217719).

Almost surely, 21344435437 is an apocalyptic number.

It is an amenable number.

1344435437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344435437 is an equidigital number, since it uses as much as digits as its factorization.

1344435437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 38.

The square root of 1344435437 is about 36666.5438376731. The cubic root of 1344435437 is about 1103.6888380079.

Adding to 1344435437 its reverse (7345344431), we get a palindrome (8689779868).

The spelling of 1344435437 in words is "one billion, three hundred forty-four million, four hundred thirty-five thousand, four hundred thirty-seven".