2057567939 has 4 divisors (see below), whose sum is σ = 2351506224. Its totient is φ = 1763629656.

The previous prime is 2057567887. The next prime is 2057567959. The reversal of 2057567939 is 9397657502.

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 2057567939 - 2⁸ = 2057567683 is a prime.

It is a super-3 number, since 3×2057567939³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057567959) 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, 146969132 + ... + 146969145.

It is an arithmetic number, because the mean of its divisors is an integer number (587876556).

Almost surely, 2^2057567939 is an apocalyptic number.

2057567939 is a deficient number, since it is larger than the sum of its proper divisors (293938285).

2057567939 is an equidigital number, since it uses as much as digits as its factorization.

2057567939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293938284.

The product of its (nonzero) digits is 3572100, while the sum is 53.

The square root of 2057567939 is about 45360.4226060560. The cubic root of 2057567939 is about 1271.8953943601.

The spelling of 2057567939 in words is "two billion, fifty-seven million, five hundred sixty-seven thousand, nine hundred thirty-nine".