2506812386 has 32 divisors (see below), whose sum is σ = 4270848960. Its totient is φ = 1093974336.

The previous prime is 2506812379. The next prime is 2506812421. The reversal of 2506812386 is 6832186052.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265580 + ... + 274856.

It is an arithmetic number, because the mean of its divisors is an integer number (133464030).

Almost surely, 2^2506812386 is an apocalyptic number.

2506812386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2506812386 is a deficient number, since it is larger than the sum of its proper divisors (1764036574).

2506812386 is a wasteful number, since it uses less digits than its factorization.

2506812386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9858.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2506812386 is about 50068.0775145202. The cubic root of 2506812386 is about 1358.4404676068.

The spelling of 2506812386 in words is "two billion, five hundred six million, eight hundred twelve thousand, three hundred eighty-six".