12945351733 has 2 divisors, whose sum is σ = 12945351734. Its totient is φ = 12945351732.

The previous prime is 12945351703. The next prime is 12945351761. The reversal of 12945351733 is 33715354921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11940588529 + 1004763204 = 109273^2 + 31698^2 .

It is a cyclic number.

It is not a de Polignac number, because 12945351733 - 2⁵ = 12945351701 is a prime.

It is a super-2 number, since 2×12945351733² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12945351733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12945351703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6472675866 + 6472675867.

It is an arithmetic number, because the mean of its divisors is an integer number (6472675867).

Almost surely, 2^12945351733 is an apocalyptic number.

It is an amenable number.

12945351733 is a deficient number, since it is larger than the sum of its proper divisors (1).

12945351733 is an equidigital number, since it uses as much as digits as its factorization.

12945351733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The spelling of 12945351733 in words is "twelve billion, nine hundred forty-five million, three hundred fifty-one thousand, seven hundred thirty-three".