12964033691 has 16 divisors (see below), whose sum is σ = 15090157824. Its totient is φ = 10908147744.

The previous prime is 12964033673. The next prime is 12964033717. The reversal of 12964033691 is 19633046921.

It is a cyclic number.

It is not a de Polignac number, because 12964033691 - 2⁶ = 12964033627 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12964033591) 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, 20156 + ... + 162278.

It is an arithmetic number, because the mean of its divisors is an integer number (943134864).

Almost surely, 2^12964033691 is an apocalyptic number.

12964033691 is a deficient number, since it is larger than the sum of its proper divisors (2126124133).

12964033691 is a wasteful number, since it uses less digits than its factorization.

12964033691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142370.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 12964033691 in words is "twelve billion, nine hundred sixty-four million, thirty-three thousand, six hundred ninety-one".