833423850021 has 64 divisors (see below), whose sum is σ = 1383840000000. Its totient is φ = 435328411392.

The previous prime is 833423849989. The next prime is 833423850023. The reversal of 833423850021 is 120058324338.

833423850021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 833423850021 - 2⁵ = 833423849989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (833423850023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17900230 + ... + 17946728.

It is an arithmetic number, because the mean of its divisors is an integer number (21622500000).

Almost surely, 2^833423850021 is an apocalyptic number.

It is an amenable number.

833423850021 is a deficient number, since it is larger than the sum of its proper divisors (550416149979).

833423850021 is a wasteful number, since it uses less digits than its factorization.

833423850021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48106.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 833423850021 in words is "eight hundred thirty-three billion, four hundred twenty-three million, eight hundred fifty thousand, twenty-one".