2057612949 has 36 divisors (see below), whose sum is σ = 3585420384. Its totient is φ = 1175772024.

The previous prime is 2057612929. The next prime is 2057612971. The reversal of 2057612949 is 9492167502.

2057612949 is a `hidden beast` number, since 20 + 5 + 7 + 612 + 9 + 4 + 9 = 666.

It is not a de Polignac number, because 2057612949 - 2⁵ = 2057612917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057612929) 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 35 ways as a sum of consecutive naturals, for example, 74497 + ... + 98310.

Almost surely, 2^2057612949 is an apocalyptic number.

It is an amenable number.

2057612949 is a deficient number, since it is larger than the sum of its proper divisors (1527807435).

2057612949 is an equidigital number, since it uses as much as digits as its factorization.

2057612949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172836 (or 172817 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 2057612949 is about 45360.9187406957. The cubic root of 2057612949 is about 1271.9046686743.

The spelling of 2057612949 in words is "two billion, fifty-seven million, six hundred twelve thousand, nine hundred forty-nine".