372253354321 has 4 divisors (see below), whose sum is σ = 372967852644. Its totient is φ = 371538856000.

The previous prime is 372253354313. The next prime is 372253354357. The reversal of 372253354321 is 123453352273.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187628451921 + 184624902400 = 433161^2 + 429680^2 .

It is a cyclic number.

It is not a de Polignac number, because 372253354321 - 2³ = 372253354313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372253354381) 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, 357248380 + ... + 357249421.

It is an arithmetic number, because the mean of its divisors is an integer number (93241963161).

Almost surely, 2^372253354321 is an apocalyptic number.

It is an amenable number.

372253354321 is a deficient number, since it is larger than the sum of its proper divisors (714498323).

372253354321 is an equidigital number, since it uses as much as digits as its factorization.

372253354321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714498322.

The product of its digits is 453600, while the sum is 40.

The spelling of 372253354321 in words is "three hundred seventy-two billion, two hundred fifty-three million, three hundred fifty-four thousand, three hundred twenty-one".