133346849425921 has 4 divisors (see below), whose sum is σ = 133384656871872. Its totient is φ = 133309041979972.

The previous prime is 133346849425901. The next prime is 133346849425927. The reversal of 133346849425921 is 129524948643331.

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 133346849425921 - 2⁹ = 133346849425409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133346849425927) 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, 18903717685 + ... + 18903724738.

It is an arithmetic number, because the mean of its divisors is an integer number (33346164217968).

Almost surely, 2^{133346849425921} is an apocalyptic number.

It is an amenable number.

133346849425921 is a deficient number, since it is larger than the sum of its proper divisors (37807445951).

133346849425921 is an equidigital number, since it uses as much as digits as its factorization.

133346849425921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37807445950.

The product of its digits is 134369280, while the sum is 64.

The spelling of 133346849425921 in words is "one hundred thirty-three trillion, three hundred forty-six billion, eight hundred forty-nine million, four hundred twenty-five thousand, nine hundred twenty-one".