33368618493 has 40 divisors (see below), whose sum is σ = 58932382080. Its totient is φ = 18410263200.

The previous prime is 33368618489. The next prime is 33368618537. The reversal of 33368618493 is 39481686333.

33368618493 is a `hidden beast` number, since 3 + 33 + 68 + 61 + 8 + 493 = 666.

It is not a de Polignac number, because 33368618493 - 2² = 33368618489 is a prime.

It is a super-2 number, since 2×33368618493² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33368618443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 998233 + ... + 1031118.

It is an arithmetic number, because the mean of its divisors is an integer number (1473309552).

Almost surely, 2^33368618493 is an apocalyptic number.

It is an amenable number.

33368618493 is a deficient number, since it is larger than the sum of its proper divisors (25563763587).

33368618493 is a wasteful number, since it uses less digits than its factorization.

33368618493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029399 (or 2029390 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 33368618493 in words is "thirty-three billion, three hundred sixty-eight million, six hundred eighteen thousand, four hundred ninety-three".