1489931564 has 18 divisors (see below), whose sum is σ = 2865964332. Its totient is φ = 677241400.

The previous prime is 1489931563. The next prime is 1489931567. The reversal of 1489931564 is 4651399841.

It is not an unprimeable number, because it can be changed into a prime (1489931563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1538702 + ... + 1539669.

Almost surely, 2^1489931564 is an apocalyptic number.

It is an amenable number.

1489931564 is a deficient number, since it is larger than the sum of its proper divisors (1376032768).

1489931564 is a wasteful number, since it uses less digits than its factorization.

1489931564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078397 (or 3078384 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 1489931564 is about 38599.6316562736. The cubic root of 1489931564 is about 1142.1472722985.

The spelling of 1489931564 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-one thousand, five hundred sixty-four".