1013646013 has 2 divisors, whose sum is σ = 1013646014. Its totient is φ = 1013646012.

The previous prime is 1013646001. The next prime is 1013646037. The reversal of 1013646013 is 3106463101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990864484 + 22781529 = 31478^2 + 4773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013646013 - 2²¹ = 1011548861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013646113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506823006 + 506823007.

It is an arithmetic number, because the mean of its divisors is an integer number (506823007).

Almost surely, 2^1013646013 is an apocalyptic number.

It is an amenable number.

1013646013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013646013 is an equidigital number, since it uses as much as digits as its factorization.

1013646013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1013646013 is about 31837.8079176315. The cubic root of 1013646013 is about 1004.5281360357.

The spelling of 1013646013 in words is "one billion, thirteen million, six hundred forty-six thousand, thirteen".