3151057684493 has 2 divisors, whose sum is σ = 3151057684494. Its totient is φ = 3151057684492.

The previous prime is 3151057684471. The next prime is 3151057684531. The reversal of 3151057684493 is 3944867501513.

3151057684493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2603453244484 + 547604440009 = 1613522^2 + 740003^2 .

It is a cyclic number.

It is not a de Polignac number, because 3151057684493 - 2³⁴ = 3133877815309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3151057684193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575528842246 + 1575528842247.

It is an arithmetic number, because the mean of its divisors is an integer number (1575528842247).

Almost surely, 2^{3151057684493} is an apocalyptic number.

It is an amenable number.

3151057684493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151057684493 is an equidigital number, since it uses as much as digits as its factorization.

3151057684493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 3151057684493 in words is "three trillion, one hundred fifty-one billion, fifty-seven million, six hundred eighty-four thousand, four hundred ninety-three".