2057746694 has 16 divisors (see below), whose sum is σ = 3113764416. Its totient is φ = 1019865000.

The previous prime is 2057746667. The next prime is 2057746751. The reversal of 2057746694 is 4966477502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96209 + ... + 115635.

It is an arithmetic number, because the mean of its divisors is an integer number (194610276).

Almost surely, 2^2057746694 is an apocalyptic number.

2057746694 is a deficient number, since it is larger than the sum of its proper divisors (1056017722).

2057746694 is a wasteful number, since it uses less digits than its factorization.

2057746694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19891.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The square root of 2057746694 is about 45362.3929483443. The cubic root of 2057746694 is about 1271.9322260443.

The spelling of 2057746694 in words is "two billion, fifty-seven million, seven hundred forty-six thousand, six hundred ninety-four".