674525414305021 has 2 divisors, whose sum is σ = 674525414305022. Its totient is φ = 674525414305020.

The previous prime is 674525414304949. The next prime is 674525414305033. The reversal of 674525414305021 is 120503414525476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 628223445556996 + 46301968748025 = 25064386^2 + 6804555^2 .

It is a cyclic number.

It is not a de Polignac number, because 674525414305021 - 2¹¹ = 674525414302973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674525414305921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337262707152510 + 337262707152511.

It is an arithmetic number, because the mean of its divisors is an integer number (337262707152511).

Almost surely, 2^{674525414305021} is an apocalyptic number.

It is an amenable number.

674525414305021 is a deficient number, since it is larger than the sum of its proper divisors (1).

674525414305021 is an equidigital number, since it uses as much as digits as its factorization.

674525414305021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 674525414305021 in words is "six hundred seventy-four trillion, five hundred twenty-five billion, four hundred fourteen million, three hundred five thousand, twenty-one".