2612913857 has 2 divisors, whose sum is σ = 2612913858. Its totient is φ = 2612913856.

The previous prime is 2612913851. The next prime is 2612913869. The reversal of 2612913857 is 7583192162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359470641 + 1253443216 = 36871^2 + 35404^2 .

It is a cyclic number.

It is not a de Polignac number, because 2612913857 - 2¹⁴ = 2612897473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2612913851) 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 as a sum of consecutive naturals, namely, 1306456928 + 1306456929.

It is an arithmetic number, because the mean of its divisors is an integer number (1306456929).

Almost surely, 2^2612913857 is an apocalyptic number.

It is an amenable number.

2612913857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2612913857 is an equidigital number, since it uses as much as digits as its factorization.

2612913857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 2612913857 is about 51116.6690718400. The cubic root of 2612913857 is about 1377.3417034775.

The spelling of 2612913857 in words is "two billion, six hundred twelve million, nine hundred thirteen thousand, eight hundred fifty-seven".