2639932086 has 32 divisors (see below), whose sum is σ = 6063004800. Its totient is φ = 757874880.

The previous prime is 2639932081. The next prime is 2639932117. The reversal of 2639932086 is 6802399362.

It is a super-2 number, since 2×2639932086² = 13938482837384622792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639932081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051351 + ... + 1053858.

It is an arithmetic number, because the mean of its divisors is an integer number (189468900).

Almost surely, 2^2639932086 is an apocalyptic number.

2639932086 is an abundant number, since it is smaller than the sum of its proper divisors (3423072714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2639932086 is a wasteful number, since it uses less digits than its factorization.

2639932086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105244.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 2639932086 is about 51380.2694231940. The cubic root of 2639932086 is about 1382.0727945248.

It can be divided in two parts, 26399 and 32086, that added together give a palindrome (58485).

The spelling of 2639932086 in words is "two billion, six hundred thirty-nine million, nine hundred thirty-two thousand, eighty-six".