2699139260 has 24 divisors (see below), whose sum is σ = 5670102816. Its totient is φ = 1079291840.

The previous prime is 2699139239. The next prime is 2699139299. The reversal of 2699139260 is 629319962.

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, 42674 + ... + 84966.

It is an arithmetic number, because the mean of its divisors is an integer number (236254284).

Almost surely, 2^2699139260 is an apocalyptic number.

2699139260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2699139260 is an abundant number, since it is smaller than the sum of its proper divisors (2970963556).

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

2699139260 is a wasteful number, since it uses less digits than its factorization.

2699139260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45493 (or 45491 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 2699139260 is about 51953.2410923515. The cubic root of 2699139260 is about 1392.3286639433.

The spelling of 2699139260 in words is "two billion, six hundred ninety-nine million, one hundred thirty-nine thousand, two hundred sixty".