2465139127257 has 12 divisors (see below), whose sum is σ = 3565614311844. Its totient is φ = 1641184025760.

The previous prime is 2465139127189. The next prime is 2465139127289. The reversal of 2465139127257 is 7527219315642.

2465139127257 is a `hidden beast` number, since 2 + 4 + 6 + 513 + 9 + 1 + 2 + 72 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2334918465936 + 130220661321 = 1528044^2 + 360861^2 .

It is not a de Polignac number, because 2465139127257 - 2³⁰ = 2464065385433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2465139107257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186831294 + ... + 186844487.

It is an arithmetic number, because the mean of its divisors is an integer number (297134525987).

Almost surely, 2^{2465139127257} is an apocalyptic number.

It is an amenable number.

2465139127257 is a deficient number, since it is larger than the sum of its proper divisors (1100475184587).

2465139127257 is a wasteful number, since it uses less digits than its factorization.

2465139127257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373676520 (or 373676517 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 2465139127257 in words is "two trillion, four hundred sixty-five billion, one hundred thirty-nine million, one hundred twenty-seven thousand, two hundred fifty-seven".