1489513994 has 32 divisors (see below), whose sum is σ = 2361744000. Its totient is φ = 703162944.

The previous prime is 1489513951. The next prime is 1489514027. The reversal of 1489513994 is 4993159841.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100512 + ... + 2101220.

It is an arithmetic number, because the mean of its divisors is an integer number (73804500).

Almost surely, 2^1489513994 is an apocalyptic number.

1489513994 is a deficient number, since it is larger than the sum of its proper divisors (872230006).

1489513994 is a wasteful number, since it uses less digits than its factorization.

1489513994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its digits is 1399680, while the sum is 53.

The square root of 1489513994 is about 38594.2222877985. Note that the first 4 decimals coincide. The cubic root of 1489513994 is about 1142.0405624761.

The spelling of 1489513994 in words is "one billion, four hundred eighty-nine million, five hundred thirteen thousand, nine hundred ninety-four".