2913405380 has 12 divisors (see below), whose sum is σ = 6118151340. Its totient is φ = 1165362144.

The previous prime is 2913405373. The next prime is 2913405449. The reversal of 2913405380 is 835043192.

It can be written as a sum of positive squares in 2 ways, for example, as 2052452416 + 860952964 = 45304^2 + 29342^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2913405380.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72835115 + ... + 72835154.

It is an arithmetic number, because the mean of its divisors is an integer number (509845945).

Almost surely, 2^2913405380 is an apocalyptic number.

2913405380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2913405380 is an abundant number, since it is smaller than the sum of its proper divisors (3204745960).

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

2913405380 is a wasteful number, since it uses less digits than its factorization.

2913405380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145670278 (or 145670276 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2913405380 is about 53975.9703942412. The cubic root of 2913405380 is about 1428.2370862044.

The spelling of 2913405380 in words is "two billion, nine hundred thirteen million, four hundred five thousand, three hundred eighty".