2557336957499 has 2 divisors, whose sum is σ = 2557336957500. Its totient is φ = 2557336957498.

The previous prime is 2557336957429. The next prime is 2557336957559. The reversal of 2557336957499 is 9947596337552.

It is a happy number.

2557336957499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2557336957499 is a prime.

It is not a weakly prime, because it can be changed into another prime (2557336957429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278668478749 + 1278668478750.

It is an arithmetic number, because the mean of its divisors is an integer number (1278668478750).

Almost surely, 2^{2557336957499} is an apocalyptic number.

2557336957499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557336957499 is an equidigital number, since it uses as much as digits as its factorization.

2557336957499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1928934000, while the sum is 74.

The spelling of 2557336957499 in words is "two trillion, five hundred fifty-seven billion, three hundred thirty-six million, nine hundred fifty-seven thousand, four hundred ninety-nine".