13391699871 has 16 divisors (see below), whose sum is σ = 20504039040. Its totient is φ = 7689013920.

The previous prime is 13391699869. The next prime is 13391699879. The reversal of 13391699871 is 17899619331.

It is not a de Polignac number, because 13391699871 - 2¹ = 13391699869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391699879) 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, 10678560 + ... + 10679813.

It is an arithmetic number, because the mean of its divisors is an integer number (1281502440).

Almost surely, 2^13391699871 is an apocalyptic number.

13391699871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13391699871 is a deficient number, since it is larger than the sum of its proper divisors (7112339169).

13391699871 is a wasteful number, since it uses less digits than its factorization.

13391699871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21358406.

The product of its digits is 2204496, while the sum is 57.

The spelling of 13391699871 in words is "thirteen billion, three hundred ninety-one million, six hundred ninety-nine thousand, eight hundred seventy-one".