1915423464 has 32 divisors (see below), whose sum is σ = 4792547520. Its totient is φ = 637942656.

The previous prime is 1915423457. The next prime is 1915423469. The reversal of 1915423464 is 4643245191.

It is not an unprimeable number, because it can be changed into a prime (1915423469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3277 + ... + 61980.

It is an arithmetic number, because the mean of its divisors is an integer number (149767110).

Almost surely, 2^1915423464 is an apocalyptic number.

It is an amenable number.

1915423464 is an abundant number, since it is smaller than the sum of its proper divisors (2877124056).

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

1915423464 is a wasteful number, since it uses less digits than its factorization.

1915423464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66489 (or 66485 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 1915423464 is about 43765.5511104339. The cubic root of 1915423464 is about 1241.9046916163.

The spelling of 1915423464 in words is "one billion, nine hundred fifteen million, four hundred twenty-three thousand, four hundred sixty-four".