1013663673 has 32 divisors (see below), whose sum is σ = 1642561920. Its totient is φ = 612722880.

The previous prime is 1013663647. The next prime is 1013663683. The reversal of 1013663673 is 3763663101.

1013663673 is a `hidden beast` number, since 1 + 0 + 13 + 6 + 636 + 7 + 3 = 666.

It is not a de Polignac number, because 1013663673 - 2²⁸ = 745228217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013663603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113611 + ... + 122207.

It is an arithmetic number, because the mean of its divisors is an integer number (51330060).

Almost surely, 2^1013663673 is an apocalyptic number.

It is an amenable number.

1013663673 is a deficient number, since it is larger than the sum of its proper divisors (628898247).

1013663673 is a wasteful number, since it uses less digits than its factorization.

1013663673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9014 (or 9008 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 1013663673 is about 31838.0852596383. The cubic root of 1013663673 is about 1004.5339697172.

The spelling of 1013663673 in words is "one billion, thirteen million, six hundred sixty-three thousand, six hundred seventy-three".