13851913697 has 8 divisors (see below), whose sum is σ = 14070166656. Its totient is φ = 13635271872.

The previous prime is 13851913681. The next prime is 13851913703. The reversal of 13851913697 is 79631915831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13851913697 - 2⁴ = 13851913681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13851913297) 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 in 7 ways as a sum of consecutive naturals, for example, 385448 + ... + 419849.

It is an arithmetic number, because the mean of its divisors is an integer number (1758770832).

Almost surely, 2^13851913697 is an apocalyptic number.

It is an amenable number.

13851913697 is a deficient number, since it is larger than the sum of its proper divisors (218252959).

13851913697 is a wasteful number, since it uses less digits than its factorization.

13851913697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805567.

The product of its digits is 1224720, while the sum is 53.

The spelling of 13851913697 in words is "thirteen billion, eight hundred fifty-one million, nine hundred thirteen thousand, six hundred ninety-seven".