1013406613651 has 2 divisors, whose sum is σ = 1013406613652. Its totient is φ = 1013406613650.

The previous prime is 1013406613649. The next prime is 1013406613693. The reversal of 1013406613651 is 1563166043101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013406613651 - 2¹ = 1013406613649 is a prime.

Together with 1013406613649, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1013406613651.

It is not a weakly prime, because it can be changed into another prime (1013406613601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506703306825 + 506703306826.

It is an arithmetic number, because the mean of its divisors is an integer number (506703306826).

Almost surely, 2^{1013406613651} is an apocalyptic number.

1013406613651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013406613651 is an equidigital number, since it uses as much as digits as its factorization.

1013406613651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1013406613651 in words is "one trillion, thirteen billion, four hundred six million, six hundred thirteen thousand, six hundred fifty-one".