1013268479 has 4 divisors (see below), whose sum is σ = 1014632976. Its totient is φ = 1011903984.

The previous prime is 1013268359. The next prime is 1013268481. The reversal of 1013268479 is 9748623101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013268479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013268079) 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, 681134 + ... + 682619.

It is an arithmetic number, because the mean of its divisors is an integer number (253658244).

Almost surely, 2^1013268479 is an apocalyptic number.

1013268479 is a deficient number, since it is larger than the sum of its proper divisors (1364497).

1013268479 is an equidigital number, since it uses as much as digits as its factorization.

1013268479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364496.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1013268479 is about 31831.8783454574. The cubic root of 1013268479 is about 1004.4034078718.

The spelling of 1013268479 in words is "one billion, thirteen million, two hundred sixty-eight thousand, four hundred seventy-nine".