336688999921 has 8 divisors (see below), whose sum is σ = 349680608640. Its totient is φ = 323940225168.

The previous prime is 336688999909. The next prime is 336688999967. The reversal of 336688999921 is 129999886633.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 336688999921 - 2¹⁷ = 336688868849 is a prime.

It is a super-2 number, since 2×336688999921² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (336688999991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60705666 + ... + 60711211.

It is an arithmetic number, because the mean of its divisors is an integer number (43710076080).

Almost surely, 2^336688999921 is an apocalyptic number.

It is an amenable number.

336688999921 is a deficient number, since it is larger than the sum of its proper divisors (12991608719).

336688999921 is a wasteful number, since it uses less digits than its factorization.

336688999921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121416983.

The product of its digits is 272097792, while the sum is 73.

The spelling of 336688999921 in words is "three hundred thirty-six billion, six hundred eighty-eight million, nine hundred ninety-nine thousand, nine hundred twenty-one".