5657646742 has 16 divisors (see below), whose sum is σ = 9279072000. Its totient is φ = 2565795240.

The previous prime is 5657646737. The next prime is 5657646791. The reversal of 5657646742 is 2476467565.

It is a self number, because there is not a number n which added to its sum of digits gives 5657646742.

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, 283242 + ... + 302557.

It is an arithmetic number, because the mean of its divisors is an integer number (579942000).

Almost surely, 2^5657646742 is an apocalyptic number.

5657646742 is a deficient number, since it is larger than the sum of its proper divisors (3621425258).

5657646742 is a wasteful number, since it uses less digits than its factorization.

5657646742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586251.

The product of its digits is 8467200, while the sum is 52.

The square root of 5657646742 is about 75217.3300642877. The cubic root of 5657646742 is about 1781.8806388948.

The spelling of 5657646742 in words is "five billion, six hundred fifty-seven million, six hundred forty-six thousand, seven hundred forty-two".