13695396881 has 4 divisors (see below), whose sum is σ = 13986788352. Its totient is φ = 13404005412.

The previous prime is 13695396833. The next prime is 13695396901. The reversal of 13695396881 is 18869359631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18869359631 = 43 ⋅438822317.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13695396881 is a prime.

It is a super-2 number, since 2×13695396881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13695396881.

It is not an unprimeable number, because it can be changed into a prime (13695395881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145695665 + ... + 145695758.

It is an arithmetic number, because the mean of its divisors is an integer number (3496697088).

Almost surely, 2^13695396881 is an apocalyptic number.

It is an amenable number.

13695396881 is a deficient number, since it is larger than the sum of its proper divisors (291391471).

13695396881 is an equidigital number, since it uses as much as digits as its factorization.

13695396881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291391470.

The product of its digits is 8398080, while the sum is 59.

The spelling of 13695396881 in words is "thirteen billion, six hundred ninety-five million, three hundred ninety-six thousand, eight hundred eighty-one".