1013634899 has 4 divisors (see below), whose sum is σ = 1018942080. Its totient is φ = 1008327720.

The previous prime is 1013634887. The next prime is 1013634917. The reversal of 1013634899 is 9984363101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013634899 - 2¹⁶ = 1013569363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013634199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653304 + ... + 2653685.

It is an arithmetic number, because the mean of its divisors is an integer number (254735520).

Almost surely, 2^1013634899 is an apocalyptic number.

1013634899 is a deficient number, since it is larger than the sum of its proper divisors (5307181).

1013634899 is an equidigital number, since it uses as much as digits as its factorization.

1013634899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307180.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1013634899 is about 31837.6333762420. The cubic root of 1013634899 is about 1004.5244646796.

The spelling of 1013634899 in words is "one billion, thirteen million, six hundred thirty-four thousand, eight hundred ninety-nine".