76316042521 has 2 divisors, whose sum is σ = 76316042522. Its totient is φ = 76316042520.

The previous prime is 76316042501. The next prime is 76316042527. The reversal of 76316042521 is 12524061367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62330614921 + 13985427600 = 249661^2 + 118260^2 .

It is a cyclic number.

It is not a de Polignac number, because 76316042521 - 2⁵ = 76316042489 is a prime.

It is a super-3 number, since 3×76316042521³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (76316042527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38158021260 + 38158021261.

It is an arithmetic number, because the mean of its divisors is an integer number (38158021261).

Almost surely, 2^76316042521 is an apocalyptic number.

It is an amenable number.

76316042521 is a deficient number, since it is larger than the sum of its proper divisors (1).

76316042521 is an equidigital number, since it uses as much as digits as its factorization.

76316042521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 76316042521 in words is "seventy-six billion, three hundred sixteen million, forty-two thousand, five hundred twenty-one".