373681020437 has 4 divisors (see below), whose sum is σ = 373685442720. Its totient is φ = 373676598156.

The previous prime is 373681020431. The next prime is 373681020491. The reversal of 373681020437 is 734020186373.

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, and also an emirpimes, since its reverse is a distinct semiprime: 734020186373 = 340451 ⋅2156023.

It is a cyclic number.

It is not a de Polignac number, because 373681020437 - 2¹² = 373681016341 is a prime.

It is a super-2 number, since 2×373681020437² (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 (373681020431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081873 + ... + 2254230.

It is an arithmetic number, because the mean of its divisors is an integer number (93421360680).

Almost surely, 2^373681020437 is an apocalyptic number.

It is an amenable number.

373681020437 is a deficient number, since it is larger than the sum of its proper divisors (4422283).

373681020437 is an equidigital number, since it uses as much as digits as its factorization.

373681020437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422282.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 373681020437 in words is "three hundred seventy-three billion, six hundred eighty-one million, twenty thousand, four hundred thirty-seven".