2538866492 has 24 divisors (see below), whose sum is σ = 4582509120. Its totient is φ = 1230113600.

The previous prime is 2538866483. The next prime is 2538866503. The reversal of 2538866492 is 2946688352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47867 + ... + 85842.

It is an arithmetic number, because the mean of its divisors is an integer number (190937880).

Almost surely, 2^2538866492 is an apocalyptic number.

It is an amenable number.

2538866492 is a deficient number, since it is larger than the sum of its proper divisors (2043642628).

2538866492 is a wasteful number, since it uses less digits than its factorization.

2538866492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133861 (or 133859 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 2538866492 is about 50387.1659453079. The cubic root of 2538866492 is about 1364.2059978176.

The spelling of 2538866492 in words is "two billion, five hundred thirty-eight million, eight hundred sixty-six thousand, four hundred ninety-two".