1233364813 has 2 divisors, whose sum is σ = 1233364814. Its totient is φ = 1233364812.

The previous prime is 1233364777. The next prime is 1233364817. The reversal of 1233364813 is 3184633321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753667209 + 479697604 = 27453^2 + 21902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233364813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233364817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616682406 + 616682407.

It is an arithmetic number, because the mean of its divisors is an integer number (616682407).

Almost surely, 2^1233364813 is an apocalyptic number.

It is an amenable number.

1233364813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233364813 is an equidigital number, since it uses as much as digits as its factorization.

1233364813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 1233364813 is about 35119.2940276424. The cubic root of 1233364813 is about 1072.4173989630.

The spelling of 1233364813 in words is "one billion, two hundred thirty-three million, three hundred sixty-four thousand, eight hundred thirteen".