373521346021 has 8 divisors (see below), whose sum is σ = 379136429504. Its totient is φ = 367907443200.

The previous prime is 373521345997. The next prime is 373521346031. The reversal of 373521346021 is 120643125373.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 373521346021 - 2⁷ = 373521345893 is a prime.

It is a super-2 number, since 2×373521346021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373521346031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352936 + ... + 933598.

It is an arithmetic number, because the mean of its divisors is an integer number (47392053688).

Almost surely, 2^373521346021 is an apocalyptic number.

It is an amenable number.

373521346021 is a deficient number, since it is larger than the sum of its proper divisors (5615083483).

373521346021 is an equidigital number, since it uses as much as digits as its factorization.

373521346021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590331.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 373521346021 in words is "three hundred seventy-three billion, five hundred twenty-one million, three hundred forty-six thousand, twenty-one".