13756196969 has 4 divisors (see below), whose sum is σ = 14565385044. Its totient is φ = 12947008896.

The previous prime is 13756196953. The next prime is 13756196977. The reversal of 13756196969 is 96969165731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96969165731 = 37 ⋅2620788263.

It can be written as a sum of positive squares in 2 ways, for example, as 9353210944 + 4402986025 = 96712^2 + 66355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13756196969 - 2⁴ = 13756196953 is a prime.

It is a super-2 number, since 2×13756196969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13756199969) 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, 404594012 + ... + 404594045.

It is an arithmetic number, because the mean of its divisors is an integer number (3641346261).

Almost surely, 2^13756196969 is an apocalyptic number.

It is an amenable number.

13756196969 is a deficient number, since it is larger than the sum of its proper divisors (809188075).

13756196969 is an equidigital number, since it uses as much as digits as its factorization.

13756196969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809188074.

The product of its digits is 16533720, while the sum is 62.

The spelling of 13756196969 in words is "thirteen billion, seven hundred fifty-six million, one hundred ninety-six thousand, nine hundred sixty-nine".