2391913464 has 64 divisors (see below), whose sum is σ = 6355895040. Its totient is φ = 747517440.

The previous prime is 2391913457. The next prime is 2391913493. The reversal of 2391913464 is 4643191932.

It is a congruent number.

It is an unprimeable number.

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, 96159 + ... + 118449.

It is an arithmetic number, because the mean of its divisors is an integer number (99310860).

Almost surely, 2^2391913464 is an apocalyptic number.

2391913464 is a gapful number since it is divisible by the number (24) 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 2391913464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3177947520).

2391913464 is an abundant number, since it is smaller than the sum of its proper divisors (3963981576).

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

2391913464 is a wasteful number, since it uses less digits than its factorization.

2391913464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22580 (or 22576 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 2391913464 is about 48907.1923544994. The cubic root of 2391913464 is about 1337.3604876638.

The spelling of 2391913464 in words is "two billion, three hundred ninety-one million, nine hundred thirteen thousand, four hundred sixty-four".