1013918819 has 2 divisors, whose sum is σ = 1013918820. Its totient is φ = 1013918818.

The previous prime is 1013918809. The next prime is 1013918833. The reversal of 1013918819 is 9188193101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013918819 - 2¹² = 1013914723 is a prime.

It is a super-2 number, since 2×1013918819² = 2056062743044709522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013918809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506959409 + 506959410.

It is an arithmetic number, because the mean of its divisors is an integer number (506959410).

Almost surely, 2^1013918819 is an apocalyptic number.

1013918819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013918819 is an equidigital number, since it uses as much as digits as its factorization.

1013918819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 41.

The square root of 1013918819 is about 31842.0919381877. The cubic root of 1013918819 is about 1004.6182453106.

The spelling of 1013918819 in words is "one billion, thirteen million, nine hundred eighteen thousand, eight hundred nineteen".