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3438372389 is a prime number
BaseRepresentation
bin1100110011110001…
…0110011000100101
322212121220102012112
43030330112120211
524020210404024
61325104130405
7151130453204
oct31474263045
98777812175
103438372389
111504965081
127bb606a05
1342a46c89a
1424891923b
15151cd700e
hexccf16625

3438372389 has 2 divisors, whose sum is σ = 3438372390. Its totient is φ = 3438372388.

The previous prime is 3438372337. The next prime is 3438372437. The reversal of 3438372389 is 9832738343.

3438372389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3429039364 + 9333025 = 58558^2 + 3055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3438372389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3438372319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719186194 + 1719186195.

It is an arithmetic number, because the mean of its divisors is an integer number (1719186195).

Almost surely, 23438372389 is an apocalyptic number.

It is an amenable number.

3438372389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438372389 is an equidigital number, since it uses as much as digits as its factorization.

3438372389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 50.

The square root of 3438372389 is about 58637.6362842160. The cubic root of 3438372389 is about 1509.3303448498.

The spelling of 3438372389 in words is "three billion, four hundred thirty-eight million, three hundred seventy-two thousand, three hundred eighty-nine".