74626941121 has 2 divisors, whose sum is σ = 74626941122. Its totient is φ = 74626941120.

The previous prime is 74626941101. The next prime is 74626941149. The reversal of 74626941121 is 12114962647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50760090000 + 23866851121 = 225300^2 + 154489^2 .

It is a cyclic number.

It is not a de Polignac number, because 74626941121 - 2⁵ = 74626941089 is a prime.

It is not a weakly prime, because it can be changed into another prime (74626941101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37313470560 + 37313470561.

It is an arithmetic number, because the mean of its divisors is an integer number (37313470561).

Almost surely, 2^74626941121 is an apocalyptic number.

It is an amenable number.

74626941121 is a deficient number, since it is larger than the sum of its proper divisors (1).

74626941121 is an equidigital number, since it uses as much as digits as its factorization.

74626941121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The spelling of 74626941121 in words is "seventy-four billion, six hundred twenty-six million, nine hundred forty-one thousand, one hundred twenty-one".