1233536947213 has 2 divisors, whose sum is σ = 1233536947214. Its totient is φ = 1233536947212.

The previous prime is 1233536947169. The next prime is 1233536947259. The reversal of 1233536947213 is 3127496353321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172635591689 + 60901355524 = 1082883^2 + 246782^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233536947213 - 2⁹ = 1233536946701 is a prime.

It is a super-2 number, since 2×1233536947213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233536947813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616768473606 + 616768473607.

It is an arithmetic number, because the mean of its divisors is an integer number (616768473607).

Almost surely, 2^{1233536947213} is an apocalyptic number.

It is an amenable number.

1233536947213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233536947213 is an equidigital number, since it uses as much as digits as its factorization.

1233536947213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 49.

The spelling of 1233536947213 in words is "one trillion, two hundred thirty-three billion, five hundred thirty-six million, nine hundred forty-seven thousand, two hundred thirteen".