Search a number
-
+
1449422685397 is a prime number
BaseRepresentation
bin10101000101111000010…
…100110000010011010101
312010120012202111100100101
4111011320110300103111
5142221404201413042
63025504450214101
7206501021355601
oct25057024602325
95116182440311
101449422685397
11509773357335
121b4aa8884331
13a68abb9180b
145021c3ba501
1527a81eb86b7
hex151785304d5

1449422685397 has 2 divisors, whose sum is σ = 1449422685398. Its totient is φ = 1449422685396.

The previous prime is 1449422685391. The next prime is 1449422685401. The reversal of 1449422685397 is 7935862249441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1202248653841 + 247174031556 = 1096471^2 + 497166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1449422685397 is a prime.

It is a super-2 number, since 2×14494226853972 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1449422685391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724711342698 + 724711342699.

It is an arithmetic number, because the mean of its divisors is an integer number (724711342699).

Almost surely, 21449422685397 is an apocalyptic number.

It is an amenable number.

1449422685397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449422685397 is an equidigital number, since it uses as much as digits as its factorization.

1449422685397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 64.

The spelling of 1449422685397 in words is "one trillion, four hundred forty-nine billion, four hundred twenty-two million, six hundred eighty-five thousand, three hundred ninety-seven".