2634542986 has 16 divisors (see below), whose sum is σ = 4049640000. Its totient is φ = 1284685920.

The previous prime is 2634542959. The next prime is 2634542987. The reversal of 2634542986 is 6892454362.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2634542987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406705 + ... + 413131.

It is an arithmetic number, because the mean of its divisors is an integer number (253102500).

Almost surely, 2^2634542986 is an apocalyptic number.

2634542986 is a deficient number, since it is larger than the sum of its proper divisors (1415097014).

2634542986 is a wasteful number, since it uses less digits than its factorization.

2634542986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11469.

The product of its digits is 2488320, while the sum is 49.

The square root of 2634542986 is about 51327.7993488909. The cubic root of 2634542986 is about 1381.1317094060.

The spelling of 2634542986 in words is "two billion, six hundred thirty-four million, five hundred forty-two thousand, nine hundred eighty-six".