75402532445129 has 2 divisors, whose sum is σ = 75402532445130. Its totient is φ = 75402532445128.

The previous prime is 75402532445099. The next prime is 75402532445147. The reversal of 75402532445129 is 92154423520457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57679468090000 + 17723064355129 = 7594700^2 + 4209877^2 .

It is a cyclic number.

It is not a de Polignac number, because 75402532445129 - 2²⁰ = 75402531396553 is a prime.

It is not a weakly prime, because it can be changed into another prime (75402532445179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37701266222564 + 37701266222565.

It is an arithmetic number, because the mean of its divisors is an integer number (37701266222565).

Almost surely, 2^{75402532445129} is an apocalyptic number.

It is an amenable number.

75402532445129 is a deficient number, since it is larger than the sum of its proper divisors (1).

75402532445129 is an equidigital number, since it uses as much as digits as its factorization.

75402532445129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 75402532445129 in words is "seventy-five trillion, four hundred two billion, five hundred thirty-two million, four hundred forty-five thousand, one hundred twenty-nine".