13017607649 has 2 divisors, whose sum is σ = 13017607650. Its totient is φ = 13017607648.

The previous prime is 13017607639. The next prime is 13017607703. The reversal of 13017607649 is 94670671031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9599100625 + 3418507024 = 97975^2 + 58468^2 .

It is a cyclic number.

It is not a de Polignac number, because 13017607649 - 2⁴ = 13017607633 is a prime.

It is not a weakly prime, because it can be changed into another prime (13017607619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6508803824 + 6508803825.

It is an arithmetic number, because the mean of its divisors is an integer number (6508803825).

Almost surely, 2^13017607649 is an apocalyptic number.

It is an amenable number.

13017607649 is a deficient number, since it is larger than the sum of its proper divisors (1).

13017607649 is an equidigital number, since it uses as much as digits as its factorization.

13017607649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 13017607649 in words is "thirteen billion, seventeen million, six hundred seven thousand, six hundred forty-nine".