12417776533 has 2 divisors, whose sum is σ = 12417776534. Its totient is φ = 12417776532.

The previous prime is 12417776479. The next prime is 12417776561. The reversal of 12417776533 is 33567771421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8401005649 + 4016770884 = 91657^2 + 63378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12417776533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12417776593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6208888266 + 6208888267.

It is an arithmetic number, because the mean of its divisors is an integer number (6208888267).

Almost surely, 2^12417776533 is an apocalyptic number.

It is an amenable number.

12417776533 is a deficient number, since it is larger than the sum of its proper divisors (1).

12417776533 is an equidigital number, since it uses as much as digits as its factorization.

12417776533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 46.

The spelling of 12417776533 in words is "twelve billion, four hundred seventeen million, seven hundred seventy-six thousand, five hundred thirty-three".