2057249430684 has 36 divisors (see below), whose sum is σ = 5943165022704. Its totient is φ = 587785551552.

The previous prime is 2057249430673. The next prime is 2057249430757. The reversal of 2057249430684 is 4860349427502.

It is a happy number.

2057249430684 is a `hidden beast` number, since 2 + 0 + 5 + 72 + 494 + 3 + 0 + 6 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2057249430684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4081843857 + ... + 4081844360.

Almost surely, 2^{2057249430684} is an apocalyptic number.

It is an amenable number.

2057249430684 is an abundant number, since it is smaller than the sum of its proper divisors (3885915592020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057249430684 is a wasteful number, since it uses less digits than its factorization.

2057249430684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163688234 (or 8163688229 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 2057249430684 in words is "two trillion, fifty-seven billion, two hundred forty-nine million, four hundred thirty thousand, six hundred eighty-four".