33500213399 has 2 divisors, whose sum is σ = 33500213400. Its totient is φ = 33500213398.

The previous prime is 33500213377. The next prime is 33500213479. The reversal of 33500213399 is 99331200533.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33500213399 - 2²⁰ = 33499164823 is a prime.

It is a super-2 number, since 2×33500213399² (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 (33500213309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16750106699 + 16750106700.

It is an arithmetic number, because the mean of its divisors is an integer number (16750106700).

Almost surely, 2^33500213399 is an apocalyptic number.

33500213399 is a deficient number, since it is larger than the sum of its proper divisors (1).

33500213399 is an equidigital number, since it uses as much as digits as its factorization.

33500213399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 38.

The spelling of 33500213399 in words is "thirty-three billion, five hundred million, two hundred thirteen thousand, three hundred ninety-nine".