2612742057 has 12 divisors (see below), whose sum is σ = 3835829764. Its totient is φ = 1713273120.

The previous prime is 2612741987. The next prime is 2612742071. The reversal of 2612742057 is 7502472162.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26409321 + 2586332736 = 5139^2 + 50856^2 .

It is not a de Polignac number, because 2612742057 - 2⁸ = 2612741801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2612742757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2378998 + ... + 2380095.

Almost surely, 2^2612742057 is an apocalyptic number.

It is an amenable number.

2612742057 is a deficient number, since it is larger than the sum of its proper divisors (1223087707).

2612742057 is a wasteful number, since it uses less digits than its factorization.

2612742057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759160 (or 4759157 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2612742057 is about 51114.9885747811. The cubic root of 2612742057 is about 1377.3115159163.

The spelling of 2612742057 in words is "two billion, six hundred twelve million, seven hundred forty-two thousand, fifty-seven".