372638214481 has 9 divisors (see below), whose sum is σ = 403516245681. Its totient is φ = 343966411152.

The previous prime is 372638214461. The next prime is 372638214551. The reversal of 372638214481 is 184412836273.

The square root of 372638214481 is 610441.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 128444108881 + 244194105600 = 358391^2 + 494160^2 .

It is not a de Polignac number, because 372638214481 - 2¹⁷ = 372638083409 is a prime.

It is a super-2 number, since 2×372638214481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372638214461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7912255 + ... + 7959211.

It is an arithmetic number, because the mean of its divisors is an integer number (44835138409).

Almost surely, 2^372638214481 is an apocalyptic number.

372638214481 is the 610441-st square number.

372638214481 is the 305221-st centered octagonal number.

It is an amenable number.

372638214481 is a deficient number, since it is larger than the sum of its proper divisors (30878031200).

372638214481 is an frugal number, since it uses more digits than its factorization.

372638214481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93940 (or 46970 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

Multiplying 372638214481 by its sum of digits (49), we get a square (18259272509569 = 4273087²).

The spelling of 372638214481 in words is "three hundred seventy-two billion, six hundred thirty-eight million, two hundred fourteen thousand, four hundred eighty-one".