13813348769 has 4 divisors (see below), whose sum is σ = 15069107760. Its totient is φ = 12557589780.

The previous prime is 13813348753. The next prime is 13813348777. The reversal of 13813348769 is 96784331831.

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.

It is a cyclic number.

It is not a de Polignac number, because 13813348769 - 2⁴ = 13813348753 is a prime.

It is a super-2 number, since 2×13813348769² (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 13813348769.

It is not an unprimeable number, because it can be changed into a prime (13813318769) 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, 627879479 + ... + 627879500.

It is an arithmetic number, because the mean of its divisors is an integer number (3767276940).

Almost surely, 2^13813348769 is an apocalyptic number.

It is an amenable number.

13813348769 is a deficient number, since it is larger than the sum of its proper divisors (1255758991).

13813348769 is a wasteful number, since it uses less digits than its factorization.

13813348769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255758990.

The product of its digits is 2612736, while the sum is 53.

The spelling of 13813348769 in words is "thirteen billion, eight hundred thirteen million, three hundred forty-eight thousand, seven hundred sixty-nine".