12943552953 has 16 divisors (see below), whose sum is σ = 17330639040. Its totient is φ = 8592815616.

The previous prime is 12943552901. The next prime is 12943552957. The reversal of 12943552953 is 35925534921.

It is a happy number.

It is not a de Polignac number, because 12943552953 - 2⁸ = 12943552697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12943552957) 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, 858958 + ... + 873896.

It is an arithmetic number, because the mean of its divisors is an integer number (1083164940).

Almost surely, 2^12943552953 is an apocalyptic number.

It is an amenable number.

12943552953 is a deficient number, since it is larger than the sum of its proper divisors (4387086087).

12943552953 is a wasteful number, since it uses less digits than its factorization.

12943552953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16136.

The product of its digits is 1458000, while the sum is 48.

The spelling of 12943552953 in words is "twelve billion, nine hundred forty-three million, five hundred fifty-two thousand, nine hundred fifty-three".