2913538280 has 64 divisors (see below), whose sum is σ = 6916104000. Its totient is φ = 1101579264.

The previous prime is 2913538253. The next prime is 2913538297. The reversal of 2913538280 is 828353192.

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, 350816 + ... + 359024.

It is an arithmetic number, because the mean of its divisors is an integer number (108064125).

Almost surely, 2^2913538280 is an apocalyptic number.

2913538280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2913538280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3458052000).

2913538280 is an abundant number, since it is smaller than the sum of its proper divisors (4002565720).

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

2913538280 is a wasteful number, since it uses less digits than its factorization.

2913538280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8706 (or 8702 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 2913538280 is about 53977.2014835893. The cubic root of 2913538280 is about 1428.2588030383.

The spelling of 2913538280 in words is "two billion, nine hundred thirteen million, five hundred thirty-eight thousand, two hundred eighty".