33802938645 has 16 divisors (see below), whose sum is σ = 61811088000. Its totient is φ = 15452771904.

The previous prime is 33802938641. The next prime is 33802938647. The reversal of 33802938645 is 54683920833.

It is not a de Polignac number, because 33802938645 - 2² = 33802938641 is a prime.

It is a super-2 number, since 2×33802938645² (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 (33802938641) 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 15 ways as a sum of consecutive naturals, for example, 160966270 + ... + 160966479.

It is an arithmetic number, because the mean of its divisors is an integer number (3863193000).

Almost surely, 2^33802938645 is an apocalyptic number.

33802938645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33802938645 is a deficient number, since it is larger than the sum of its proper divisors (28008149355).

33802938645 is a wasteful number, since it uses less digits than its factorization.

33802938645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321932764.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 33802938645 in words is "thirty-three billion, eight hundred two million, nine hundred thirty-eight thousand, six hundred forty-five".