33363693997 has 16 divisors (see below), whose sum is σ = 33840493632. Its totient is φ = 32891023360.

The previous prime is 33363693959. The next prime is 33363694009. The reversal of 33363693997 is 79939636333.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33363693997 is a prime.

It is a super-2 number, since 2×33363693997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33363693497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14913363 + ... + 14915599.

It is an arithmetic number, because the mean of its divisors is an integer number (2115030852).

Almost surely, 2^33363693997 is an apocalyptic number.

It is an amenable number.

33363693997 is a deficient number, since it is larger than the sum of its proper divisors (476799635).

33363693997 is a wasteful number, since it uses less digits than its factorization.

33363693997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068.

The product of its digits is 44641044, while the sum is 61.

The spelling of 33363693997 in words is "thirty-three billion, three hundred sixty-three million, six hundred ninety-three thousand, nine hundred ninety-seven".