12951074742533 has 2 divisors, whose sum is σ = 12951074742534. Its totient is φ = 12951074742532.

The previous prime is 12951074742449. The next prime is 12951074742587. The reversal of 12951074742533 is 33524747015921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7376645136004 + 5574429606529 = 2715998^2 + 2361023^2 .

It is a cyclic number.

It is not a de Polignac number, because 12951074742533 - 2³⁰ = 12950001000709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12951074742233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6475537371266 + 6475537371267.

It is an arithmetic number, because the mean of its divisors is an integer number (6475537371267).

Almost surely, 2^{12951074742533} is an apocalyptic number.

It is an amenable number.

12951074742533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12951074742533 is an equidigital number, since it uses as much as digits as its factorization.

12951074742533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 12951074742533 in words is "twelve trillion, nine hundred fifty-one billion, seventy-four million, seven hundred forty-two thousand, five hundred thirty-three".