12953769637 has 4 divisors (see below), whose sum is σ = 12958092000. Its totient is φ = 12949447276.

The previous prime is 12953769623. The next prime is 12953769767. The reversal of 12953769637 is 73696735921.

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 12953769637 - 2⁷ = 12953769509 is a prime.

It is a super-3 number, since 3×12953769637³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953763637) 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, 2156683 + ... + 2162680.

It is an arithmetic number, because the mean of its divisors is an integer number (3239523000).

Almost surely, 2^12953769637 is an apocalyptic number.

It is an amenable number.

12953769637 is a deficient number, since it is larger than the sum of its proper divisors (4322363).

12953769637 is an equidigital number, since it uses as much as digits as its factorization.

12953769637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322362.

The product of its digits is 12859560, while the sum is 58.

The spelling of 12953769637 in words is "twelve billion, nine hundred fifty-three million, seven hundred sixty-nine thousand, six hundred thirty-seven".