13340985797 has 16 divisors (see below), whose sum is σ = 14018961600. Its totient is φ = 12677871360.

The previous prime is 13340985781. The next prime is 13340985821. The reversal of 13340985797 is 79758904331.

It is a cyclic number.

It is not a de Polignac number, because 13340985797 - 2⁴ = 13340985781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340985727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3143597 + ... + 3147837.

It is an arithmetic number, because the mean of its divisors is an integer number (876185100).

Almost surely, 2^13340985797 is an apocalyptic number.

It is an amenable number.

13340985797 is a deficient number, since it is larger than the sum of its proper divisors (677975803).

13340985797 is a wasteful number, since it uses less digits than its factorization.

13340985797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 13340985797 in words is "thirteen billion, three hundred forty million, nine hundred eighty-five thousand, seven hundred ninety-seven".