33212794399 has 2 divisors, whose sum is σ = 33212794400. Its totient is φ = 33212794398.

The previous prime is 33212794393. The next prime is 33212794403. The reversal of 33212794399 is 99349721233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33212794399 - 2³¹ = 31065310751 is a prime.

It is a super-2 number, since 2×33212794399² (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 (33212794393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606397199 + 16606397200.

It is an arithmetic number, because the mean of its divisors is an integer number (16606397200).

Almost surely, 2^33212794399 is an apocalyptic number.

33212794399 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212794399 is an equidigital number, since it uses as much as digits as its factorization.

33212794399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 52.

The spelling of 33212794399 in words is "thirty-three billion, two hundred twelve million, seven hundred ninety-four thousand, three hundred ninety-nine".