1013611913 has 2 divisors, whose sum is σ = 1013611914. Its totient is φ = 1013611912.

The previous prime is 1013611901. The next prime is 1013611987. The reversal of 1013611913 is 3191163101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 818646544 + 194965369 = 28612^2 + 13963^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013611913 - 2⁴ = 1013611897 is a prime.

It is a super-2 number, since 2×1013611913² = 2054818220351039138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013611013) 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, 506805956 + 506805957.

It is an arithmetic number, because the mean of its divisors is an integer number (506805957).

Almost surely, 2^1013611913 is an apocalyptic number.

It is an amenable number.

1013611913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013611913 is an equidigital number, since it uses as much as digits as its factorization.

1013611913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1013611913 is about 31837.2723863085. The cubic root of 1013611913 is about 1004.5168714874.

The spelling of 1013611913 in words is "one billion, thirteen million, six hundred eleven thousand, nine hundred thirteen".