12966892477531 has 2 divisors, whose sum is σ = 12966892477532. Its totient is φ = 12966892477530.

The previous prime is 12966892477529. The next prime is 12966892477541. The reversal of 12966892477531 is 13577429866921.

12966892477531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12966892477531 - 2¹ = 12966892477529 is a prime.

It is a super-2 number, since 2×12966892477531² (a number of 27 digits) contains 22 as substring.

Together with 12966892477529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12966892477541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6483446238765 + 6483446238766.

It is an arithmetic number, because the mean of its divisors is an integer number (6483446238766).

Almost surely, 2^{12966892477531} is an apocalyptic number.

12966892477531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12966892477531 is an equidigital number, since it uses as much as digits as its factorization.

12966892477531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 70.

The spelling of 12966892477531 in words is "twelve trillion, nine hundred sixty-six billion, eight hundred ninety-two million, four hundred seventy-seven thousand, five hundred thirty-one".