12650869869 has 16 divisors (see below), whose sum is σ = 18433519104. Its totient is φ = 7653754800.

The previous prime is 12650869843. The next prime is 12650869871. The reversal of 12650869869 is 96896805621.

It is not a de Polignac number, because 12650869869 - 2⁸ = 12650869613 is a prime.

It is a super-2 number, since 2×12650869869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650869879) 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, 316849 + ... + 354534.

It is an arithmetic number, because the mean of its divisors is an integer number (1152094944).

Almost surely, 2^12650869869 is an apocalyptic number.

It is an amenable number.

12650869869 is a deficient number, since it is larger than the sum of its proper divisors (5782649235).

12650869869 is a wasteful number, since it uses less digits than its factorization.

12650869869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671968.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 12650869869 in words is "twelve billion, six hundred fifty million, eight hundred sixty-nine thousand, eight hundred sixty-nine".