1489917612 has 12 divisors (see below), whose sum is σ = 3476474456. Its totient is φ = 496639200.

The previous prime is 1489917581. The next prime is 1489917641. The reversal of 1489917612 is 2167199841.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×1489917612⁴ (a number of 38 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62079889 + ... + 62079912.

Almost surely, 2^1489917612 is an apocalyptic number.

1489917612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1489917612 is an abundant number, since it is smaller than the sum of its proper divisors (1986556844).

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

1489917612 is a wasteful number, since it uses less digits than its factorization.

1489917612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124159808 (or 124159806 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 1489917612 is about 38599.4509287373. The cubic root of 1489917612 is about 1142.1437071933.

The spelling of 1489917612 in words is "one billion, four hundred eighty-nine million, nine hundred seventeen thousand, six hundred twelve".