76445746493 has 2 divisors, whose sum is σ = 76445746494. Its totient is φ = 76445746492.

The previous prime is 76445746469. The next prime is 76445746547. The reversal of 76445746493 is 39464754467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53276949124 + 23168797369 = 230818^2 + 152213^2 .

It is a cyclic number.

It is not a de Polignac number, because 76445746493 - 2²⁴ = 76428969277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76445646493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38222873246 + 38222873247.

It is an arithmetic number, because the mean of its divisors is an integer number (38222873247).

Almost surely, 2^76445746493 is an apocalyptic number.

It is an amenable number.

76445746493 is a deficient number, since it is larger than the sum of its proper divisors (1).

76445746493 is an equidigital number, since it uses as much as digits as its factorization.

76445746493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 59.

The spelling of 76445746493 in words is "seventy-six billion, four hundred forty-five million, seven hundred forty-six thousand, four hundred ninety-three".