2557704701 has 2 divisors, whose sum is σ = 2557704702. Its totient is φ = 2557704700.

The previous prime is 2557704697. The next prime is 2557704731. The reversal of 2557704701 is 1074077552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1917564100 + 640140601 = 43790^2 + 25301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557704701 - 2² = 2557704697 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557704731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278852350 + 1278852351.

It is an arithmetic number, because the mean of its divisors is an integer number (1278852351).

Almost surely, 2^2557704701 is an apocalyptic number.

It is an amenable number.

2557704701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557704701 is an equidigital number, since it uses as much as digits as its factorization.

2557704701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 2557704701 is about 50573.7550612964. The cubic root of 2557704701 is about 1367.5717907070.

The spelling of 2557704701 in words is "two billion, five hundred fifty-seven million, seven hundred four thousand, seven hundred one".