13650640415 has 16 divisors (see below), whose sum is σ = 17096280768. Its totient is φ = 10443687936.

The previous prime is 13650640403. The next prime is 13650640429. The reversal of 13650640415 is 51404605631.

It is a cyclic number.

It is not a de Polignac number, because 13650640415 - 2¹⁶ = 13650574879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 897857 + ... + 912933.

It is an arithmetic number, because the mean of its divisors is an integer number (1068517548).

Almost surely, 2^13650640415 is an apocalyptic number.

13650640415 is a deficient number, since it is larger than the sum of its proper divisors (3445640353).

13650640415 is a wasteful number, since it uses less digits than its factorization.

13650640415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22978.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 13650640415 in words is "thirteen billion, six hundred fifty million, six hundred forty thousand, four hundred fifteen".