2057796563 has 4 divisors (see below), whose sum is σ = 2059480368. Its totient is φ = 2056112760.

The previous prime is 2057796547. The next prime is 2057796589. The reversal of 2057796563 is 3656977502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2057796563 - 2⁴ = 2057796547 is a prime.

It is a super-2 number, since 2×2057796563² = 8469053389389225938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057796593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840068 + ... + 842513.

It is an arithmetic number, because the mean of its divisors is an integer number (514870092).

Almost surely, 2^2057796563 is an apocalyptic number.

2057796563 is a deficient number, since it is larger than the sum of its proper divisors (1683805).

2057796563 is a wasteful number, since it uses less digits than its factorization.

2057796563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683804.

The product of its (nonzero) digits is 2381400, while the sum is 50.

The square root of 2057796563 is about 45362.9426183972. The cubic root of 2057796563 is about 1271.9425009526.

The spelling of 2057796563 in words is "two billion, fifty-seven million, seven hundred ninety-six thousand, five hundred sixty-three".