74186416013 has 2 divisors, whose sum is σ = 74186416014. Its totient is φ = 74186416012.

The previous prime is 74186415973. The next prime is 74186416039. The reversal of 74186416013 is 31061468147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65611285609 + 8575130404 = 256147^2 + 92602^2 .

It is a cyclic number.

It is not a de Polignac number, because 74186416013 - 2¹² = 74186411917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74186416043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37093208006 + 37093208007.

It is an arithmetic number, because the mean of its divisors is an integer number (37093208007).

Almost surely, 2^74186416013 is an apocalyptic number.

It is an amenable number.

74186416013 is a deficient number, since it is larger than the sum of its proper divisors (1).

74186416013 is an equidigital number, since it uses as much as digits as its factorization.

74186416013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 74186416013 in words is "seventy-four billion, one hundred eighty-six million, four hundred sixteen thousand, thirteen".