373099016421 has 6 divisors (see below), whose sum is σ = 538920801510. Its totient is φ = 248732677608.

The previous prime is 373099016417. The next prime is 373099016443. The reversal of 373099016421 is 124610990373.

It can be written as a sum of positive squares in only one way, i.e., 369256752225 + 3842264196 = 607665^2 + 61986^2 .

It is not a de Polignac number, because 373099016421 - 2² = 373099016417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373099016401) 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 5 ways as a sum of consecutive naturals, for example, 20727723126 + ... + 20727723143.

It is an arithmetic number, because the mean of its divisors is an integer number (89820133585).

Almost surely, 2^373099016421 is an apocalyptic number.

It is an amenable number.

373099016421 is a deficient number, since it is larger than the sum of its proper divisors (165821785089).

373099016421 is a wasteful number, since it uses less digits than its factorization.

373099016421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41455446275 (or 41455446272 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 373099016421 in words is "three hundred seventy-three billion, ninety-nine million, sixteen thousand, four hundred twenty-one".