15162938641 has 2 divisors, whose sum is σ = 15162938642. Its totient is φ = 15162938640.

The previous prime is 15162938629. The next prime is 15162938711. The reversal of 15162938641 is 14683926151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7687607041 + 7475331600 = 87679^2 + 86460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15162938641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15162938591 and 15162938600.

It is not a weakly prime, because it can be changed into another prime (15162938341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7581469320 + 7581469321.

It is an arithmetic number, because the mean of its divisors is an integer number (7581469321).

Almost surely, 2^15162938641 is an apocalyptic number.

It is an amenable number.

15162938641 is a deficient number, since it is larger than the sum of its proper divisors (1).

15162938641 is an equidigital number, since it uses as much as digits as its factorization.

15162938641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The spelling of 15162938641 in words is "fifteen billion, one hundred sixty-two million, nine hundred thirty-eight thousand, six hundred forty-one".