76435190561 has 2 divisors, whose sum is σ = 76435190562. Its totient is φ = 76435190560.

The previous prime is 76435190549. The next prime is 76435190567. The reversal of 76435190561 is 16509153467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59477942161 + 16957248400 = 243881^2 + 130220^2 .

It is a cyclic number.

It is not a de Polignac number, because 76435190561 - 2²⁶ = 76368081697 is a prime.

It is not a weakly prime, because it can be changed into another prime (76435190567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38217595280 + 38217595281.

It is an arithmetic number, because the mean of its divisors is an integer number (38217595281).

Almost surely, 2^76435190561 is an apocalyptic number.

It is an amenable number.

76435190561 is a deficient number, since it is larger than the sum of its proper divisors (1).

76435190561 is an equidigital number, since it uses as much as digits as its factorization.

76435190561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 76435190561 in words is "seventy-six billion, four hundred thirty-five million, one hundred ninety thousand, five hundred sixty-one".