1513990509 has 16 divisors (see below), whose sum is σ = 2129863680. Its totient is φ = 953970480.

The previous prime is 1513990487. The next prime is 1513990561. The reversal of 1513990509 is 9050993151.

It is not a de Polignac number, because 1513990509 - 2⁸ = 1513990253 is a prime.

It is a super-2 number, since 2×1513990509² = 4584334522684158162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513990579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6247 + ... + 55380.

It is an arithmetic number, because the mean of its divisors is an integer number (133116480).

Almost surely, 2^1513990509 is an apocalyptic number.

1513990509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1513990509 is a deficient number, since it is larger than the sum of its proper divisors (615873171).

1513990509 is a wasteful number, since it uses less digits than its factorization.

1513990509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62080.

The product of its (nonzero) digits is 54675, while the sum is 42.

The square root of 1513990509 is about 38910.0309560401. The cubic root of 1513990509 is about 1148.2621537164.

The spelling of 1513990509 in words is "one billion, five hundred thirteen million, nine hundred ninety thousand, five hundred nine".