1013079019 has 4 divisors (see below), whose sum is σ = 1013613840. Its totient is φ = 1012544200.

The previous prime is 1013079007. The next prime is 1013079037. The reversal of 1013079019 is 9109703101.

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 1013079019 - 2⁵ = 1013078987 is a prime.

It is a super-2 number, since 2×1013079019² = 2052658197476004722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013079059) 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, 264559 + ... + 268360.

It is an arithmetic number, because the mean of its divisors is an integer number (253403460).

Almost surely, 2^1013079019 is an apocalyptic number.

1013079019 is a deficient number, since it is larger than the sum of its proper divisors (534821).

1013079019 is an equidigital number, since it uses as much as digits as its factorization.

1013079019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534820.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 1013079019 is about 31828.9022587962. The cubic root of 1013079019 is about 1004.3408031639.

The spelling of 1013079019 in words is "one billion, thirteen million, seventy-nine thousand, nineteen".