33372764813 has 2 divisors, whose sum is σ = 33372764814. Its totient is φ = 33372764812.

The previous prime is 33372764791. The next prime is 33372764827. The reversal of 33372764813 is 31846727333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25476309769 + 7896455044 = 159613^2 + 88862^2 .

It is a cyclic number.

It is not a de Polignac number, because 33372764813 - 2³⁰ = 32299022989 is a prime.

It is a super-2 number, since 2×33372764813² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33372761813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16686382406 + 16686382407.

It is an arithmetic number, because the mean of its divisors is an integer number (16686382407).

Almost surely, 2^33372764813 is an apocalyptic number.

It is an amenable number.

33372764813 is a deficient number, since it is larger than the sum of its proper divisors (1).

33372764813 is an equidigital number, since it uses as much as digits as its factorization.

33372764813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 47.

The spelling of 33372764813 in words is "thirty-three billion, three hundred seventy-two million, seven hundred sixty-four thousand, eight hundred thirteen".