33690658648 has 16 divisors (see below), whose sum is σ = 63469371960. Its totient is φ = 16765492800.

The previous prime is 33690658597. The next prime is 33690658699. The reversal of 33690658648 is 84685609633.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33690658597) and next prime (33690658699).

It is a super-2 number, since 2×33690658648² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33690658592 and 33690658601.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 9977773 + ... + 9981148.

Almost surely, 2^33690658648 is an apocalyptic number.

It is an amenable number.

33690658648 is a deficient number, since it is larger than the sum of its proper divisors (29778713312).

33690658648 is a wasteful number, since it uses less digits than its factorization.

33690658648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19959138 (or 19959134 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 33690658648 in words is "thirty-three billion, six hundred ninety million, six hundred fifty-eight thousand, six hundred forty-eight".