2057612685 has 8 divisors (see below), whose sum is σ = 3292180320. Its totient is φ = 1097393424.

The previous prime is 2057612681. The next prime is 2057612699. The reversal of 2057612685 is 5862167502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2057612685 - 2² = 2057612681 is a prime.

It is a super-2 number, since 2×2057612685² = 8467539922945818450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057612681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68587075 + ... + 68587104.

It is an arithmetic number, because the mean of its divisors is an integer number (411522540).

Almost surely, 2^2057612685 is an apocalyptic number.

It is an amenable number.

2057612685 is a deficient number, since it is larger than the sum of its proper divisors (1234567635).

2057612685 is a wasteful number, since it uses less digits than its factorization.

2057612685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137174187.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2057612685 is about 45360.9158307017. The cubic root of 2057612685 is about 1271.9046142774.

The spelling of 2057612685 in words is "two billion, fifty-seven million, six hundred twelve thousand, six hundred eighty-five".