2056937686 has 4 divisors (see below), whose sum is σ = 3085406532. Its totient is φ = 1028468842.

The previous prime is 2056937653. The next prime is 2056937711. The reversal of 2056937686 is 6867396502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6867396502 = 2 ⋅3433698251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514234420 + ... + 514234423.

It is an arithmetic number, because the mean of its divisors is an integer number (771351633).

Almost surely, 2^2056937686 is an apocalyptic number.

2056937686 is a deficient number, since it is larger than the sum of its proper divisors (1028468846).

2056937686 is a wasteful number, since it uses less digits than its factorization.

2056937686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028468845.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 2056937686 is about 45353.4749054579. The cubic root of 2056937686 is about 1271.7655164698.

The spelling of 2056937686 in words is "two billion, fifty-six million, nine hundred thirty-seven thousand, six hundred eighty-six".