2457139807 has 2 divisors, whose sum is σ = 2457139808. Its totient is φ = 2457139806.

The previous prime is 2457139787. The next prime is 2457139823. The reversal of 2457139807 is 7089317542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2457139807 - 2¹⁹ = 2456615519 is a prime.

It is a super-2 number, since 2×2457139807² = 12075072062287994498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2457139007) 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, 1228569903 + 1228569904.

It is an arithmetic number, because the mean of its divisors is an integer number (1228569904).

Almost surely, 2^2457139807 is an apocalyptic number.

2457139807 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457139807 is an equidigital number, since it uses as much as digits as its factorization.

2457139807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 2457139807 is about 49569.5451562751. The cubic root of 2457139807 is about 1349.4080270614.

The spelling of 2457139807 in words is "two billion, four hundred fifty-seven million, one hundred thirty-nine thousand, eight hundred seven".