74654964793 has 2 divisors, whose sum is σ = 74654964794. Its totient is φ = 74654964792.

The previous prime is 74654964779. The next prime is 74654964817. The reversal of 74654964793 is 39746945647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45397546489 + 29257418304 = 213067^2 + 171048^2 .

It is a cyclic number.

It is not a de Polignac number, because 74654964793 - 2⁹ = 74654964281 is a prime.

It is not a weakly prime, because it can be changed into another prime (74654964743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37327482396 + 37327482397.

It is an arithmetic number, because the mean of its divisors is an integer number (37327482397).

Almost surely, 2^74654964793 is an apocalyptic number.

It is an amenable number.

74654964793 is a deficient number, since it is larger than the sum of its proper divisors (1).

74654964793 is an equidigital number, since it uses as much as digits as its factorization.

74654964793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 64.

The spelling of 74654964793 in words is "seventy-four billion, six hundred fifty-four million, nine hundred sixty-four thousand, seven hundred ninety-three".