674163013 has 2 divisors, whose sum is σ = 674163014. Its totient is φ = 674163012.

The previous prime is 674162939. The next prime is 674163053. The reversal of 674163013 is 310361476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662650564 + 11512449 = 25742^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 674163013 - 2²¹ = 672065861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674163053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337081506 + 337081507.

It is an arithmetic number, because the mean of its divisors is an integer number (337081507).

Almost surely, 2^674163013 is an apocalyptic number.

It is an amenable number.

674163013 is a deficient number, since it is larger than the sum of its proper divisors (1).

674163013 is an equidigital number, since it uses as much as digits as its factorization.

674163013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 674163013 is about 25964.6492947623. The cubic root of 674163013 is about 876.8425989314.

The spelling of 674163013 in words is "six hundred seventy-four million, one hundred sixty-three thousand, thirteen".