33125290188649 has 4 divisors (see below), whose sum is σ = 33217561192320. Its totient is φ = 33033019184980.

The previous prime is 33125290188533. The next prime is 33125290188671. The reversal of 33125290188649 is 94688109252133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33125290188649 - 2⁷ = 33125290188521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33125290188349) 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 3 ways as a sum of consecutive naturals, for example, 46135501297 + ... + 46135502014.

It is an arithmetic number, because the mean of its divisors is an integer number (8304390298080).

Almost surely, 2^{33125290188649} is an apocalyptic number.

It is an amenable number.

33125290188649 is a deficient number, since it is larger than the sum of its proper divisors (92271003671).

33125290188649 is an equidigital number, since it uses as much as digits as its factorization.

33125290188649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92271003670.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 33125290188649 in words is "thirty-three trillion, one hundred twenty-five billion, two hundred ninety million, one hundred eighty-eight thousand, six hundred forty-nine".