2913913780 has 12 divisors (see below), whose sum is σ = 6119218980. Its totient is φ = 1165565504.

The previous prime is 2913913759. The next prime is 2913913787. The reversal of 2913913780 is 873193192.

It can be written as a sum of positive squares in 2 ways, for example, as 1995944976 + 917968804 = 44676^2 + 30298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913913787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72847825 + ... + 72847864.

It is an arithmetic number, because the mean of its divisors is an integer number (509934915).

Almost surely, 2^2913913780 is an apocalyptic number.

2913913780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2913913780 is an abundant number, since it is smaller than the sum of its proper divisors (3205305200).

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

2913913780 is a wasteful number, since it uses less digits than its factorization.

2913913780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145695698 (or 145695696 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 2913913780 is about 53980.6796919046. The cubic root of 2913913780 is about 1428.3201589214.

The spelling of 2913913780 in words is "two billion, nine hundred thirteen million, nine hundred thirteen thousand, seven hundred eighty".