13870704869 has 4 divisors (see below), whose sum is σ = 15852234144. Its totient is φ = 11889175596.

The previous prime is 13870704851. The next prime is 13870704931. The reversal of 13870704869 is 96840707831.

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 13870704869 - 2⁸ = 13870704613 is a prime.

It is a super-2 number, since 2×13870704869² (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 13870704869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870704569) 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, 990764627 + ... + 990764640.

It is an arithmetic number, because the mean of its divisors is an integer number (3963058536).

Almost surely, 2^13870704869 is an apocalyptic number.

It is an amenable number.

13870704869 is a deficient number, since it is larger than the sum of its proper divisors (1981529275).

13870704869 is an equidigital number, since it uses as much as digits as its factorization.

13870704869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981529274.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 13870704869 in words is "thirteen billion, eight hundred seventy million, seven hundred four thousand, eight hundred sixty-nine".