12527747633 has 2 divisors, whose sum is σ = 12527747634. Its totient is φ = 12527747632.

The previous prime is 12527747563. The next prime is 12527747699. The reversal of 12527747633 is 33674772521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9252131344 + 3275616289 = 96188^2 + 57233^2 .

It is a cyclic number.

It is not a de Polignac number, because 12527747633 - 2¹⁸ = 12527485489 is a prime.

It is a super-2 number, since 2×12527747633² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12520747633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263873816 + 6263873817.

It is an arithmetic number, because the mean of its divisors is an integer number (6263873817).

Almost surely, 2^12527747633 is an apocalyptic number.

It is an amenable number.

12527747633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12527747633 is an equidigital number, since it uses as much as digits as its factorization.

12527747633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 47.

The spelling of 12527747633 in words is "twelve billion, five hundred twenty-seven million, seven hundred forty-seven thousand, six hundred thirty-three".