33645231342645 has 16 divisors (see below), whose sum is σ = 57973321698432. Its totient is φ = 16563806199360.

The previous prime is 33645231342637. The next prime is 33645231342677. The reversal of 33645231342645 is 54624313254633.

It is not a de Polignac number, because 33645231342645 - 2³ = 33645231342637 is a prime.

It is a super-2 number, since 2×33645231342645² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 86269823761 + ... + 86269824150.

It is an arithmetic number, because the mean of its divisors is an integer number (3623332606152).

Almost surely, 2^{33645231342645} is an apocalyptic number.

It is an amenable number.

33645231342645 is a deficient number, since it is larger than the sum of its proper divisors (24328090355787).

33645231342645 is a wasteful number, since it uses less digits than its factorization.

33645231342645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172539647932.

The product of its digits is 18662400, while the sum is 51.

The spelling of 33645231342645 in words is "thirty-three trillion, six hundred forty-five billion, two hundred thirty-one million, three hundred forty-two thousand, six hundred forty-five".