115899393629 has 2 divisors, whose sum is σ = 115899393630. Its totient is φ = 115899393628.

The previous prime is 115899393529. The next prime is 115899393667. The reversal of 115899393629 is 926393998511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89135088025 + 26764305604 = 298555^2 + 163598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115899393629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115899393329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57949696814 + 57949696815.

It is an arithmetic number, because the mean of its divisors is an integer number (57949696815).

Almost surely, 2^115899393629 is an apocalyptic number.

It is an amenable number.

115899393629 is a deficient number, since it is larger than the sum of its proper divisors (1).

115899393629 is an equidigital number, since it uses as much as digits as its factorization.

115899393629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28343520, while the sum is 65.

The spelling of 115899393629 in words is "one hundred fifteen billion, eight hundred ninety-nine million, three hundred ninety-three thousand, six hundred twenty-nine".