1513673864 has 16 divisors (see below), whose sum is σ = 2839337820. Its totient is φ = 756517120.

The previous prime is 1513673857. The next prime is 1513673873. The reversal of 1513673864 is 4683763151.

It can be written as a sum of positive squares in 2 ways, for example, as 1508700964 + 4972900 = 38842^2 + 2230^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19229 + ... + 58284.

Almost surely, 2^1513673864 is an apocalyptic number.

It is an amenable number.

1513673864 is a deficient number, since it is larger than the sum of its proper divisors (1325663956).

1513673864 is a wasteful number, since it uses less digits than its factorization.

1513673864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79960 (or 79956 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 1513673864 is about 38905.9618053583. The cubic root of 1513673864 is about 1148.1820966711.

The spelling of 1513673864 in words is "one billion, five hundred thirteen million, six hundred seventy-three thousand, eight hundred sixty-four".