2539166415 has 16 divisors (see below), whose sum is σ = 4083941376. Its totient is φ = 1347130400.

The previous prime is 2539166401. The next prime is 2539166417. The reversal of 2539166415 is 5146619352.

It is not a de Polignac number, because 2539166415 - 2¹⁸ = 2538904271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539166417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440271 + ... + 446000.

It is an arithmetic number, because the mean of its divisors is an integer number (255246336).

Almost surely, 2^2539166415 is an apocalyptic number.

2539166415 is a deficient number, since it is larger than the sum of its proper divisors (1544774961).

2539166415 is a wasteful number, since it uses less digits than its factorization.

2539166415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886470.

The product of its digits is 194400, while the sum is 42.

The square root of 2539166415 is about 50390.1420418716. The cubic root of 2539166415 is about 1364.2597147875.

It can be divided in two parts, 25391 and 66415, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 2539166415 in words is "two billion, five hundred thirty-nine million, one hundred sixty-six thousand, four hundred fifteen".