33696389939 has 2 divisors, whose sum is σ = 33696389940. Its totient is φ = 33696389938.

The previous prime is 33696389921. The next prime is 33696389953. The reversal of 33696389939 is 93998369633.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33696389939 - 2¹² = 33696385843 is a prime.

It is a super-2 number, since 2×33696389939² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33696389999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16848194969 + 16848194970.

It is an arithmetic number, because the mean of its divisors is an integer number (16848194970).

Almost surely, 2^33696389939 is an apocalyptic number.

33696389939 is a deficient number, since it is larger than the sum of its proper divisors (1).

33696389939 is an equidigital number, since it uses as much as digits as its factorization.

33696389939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153055008, while the sum is 68.

The spelling of 33696389939 in words is "thirty-three billion, six hundred ninety-six million, three hundred eighty-nine thousand, nine hundred thirty-nine".