33999694231 has 2 divisors, whose sum is σ = 33999694232. Its totient is φ = 33999694230.

The previous prime is 33999694217. The next prime is 33999694247. The reversal of 33999694231 is 13249699933.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33999694231 is a prime.

It is a super-2 number, since 2×33999694231² (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 (33999694931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16999847115 + 16999847116.

It is an arithmetic number, because the mean of its divisors is an integer number (16999847116).

Almost surely, 2^33999694231 is an apocalyptic number.

33999694231 is a deficient number, since it is larger than the sum of its proper divisors (1).

33999694231 is an equidigital number, since it uses as much as digits as its factorization.

33999694231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 58.

The spelling of 33999694231 in words is "thirty-three billion, nine hundred ninety-nine million, six hundred ninety-four thousand, two hundred thirty-one".