2757461857 has 2 divisors, whose sum is σ = 2757461858. Its totient is φ = 2757461856.

The previous prime is 2757461803. The next prime is 2757461867. The reversal of 2757461857 is 7581647572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1932393681 + 825068176 = 43959^2 + 28724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2757461857 - 2¹⁹ = 2756937569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2757461867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378730928 + 1378730929.

It is an arithmetic number, because the mean of its divisors is an integer number (1378730929).

Almost surely, 2^2757461857 is an apocalyptic number.

It is an amenable number.

2757461857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2757461857 is an equidigital number, since it uses as much as digits as its factorization.

2757461857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292800, while the sum is 52.

The square root of 2757461857 is about 52511.5402268873. The cubic root of 2757461857 is about 1402.2856977074.

The spelling of 2757461857 in words is "two billion, seven hundred fifty-seven million, four hundred sixty-one thousand, eight hundred fifty-seven".