74513857441 has 2 divisors, whose sum is σ = 74513857442. Its totient is φ = 74513857440.

The previous prime is 74513857423. The next prime is 74513857489. The reversal of 74513857441 is 14475831547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38187022225 + 36326835216 = 195415^2 + 190596^2 .

It is a cyclic number.

It is not a de Polignac number, because 74513857441 - 2⁹ = 74513856929 is a prime.

It is not a weakly prime, because it can be changed into another prime (74513857541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37256928720 + 37256928721.

It is an arithmetic number, because the mean of its divisors is an integer number (37256928721).

Almost surely, 2^74513857441 is an apocalyptic number.

It is an amenable number.

74513857441 is a deficient number, since it is larger than the sum of its proper divisors (1).

74513857441 is an equidigital number, since it uses as much as digits as its factorization.

74513857441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 49.

The spelling of 74513857441 in words is "seventy-four billion, five hundred thirteen million, eight hundred fifty-seven thousand, four hundred forty-one".