10494237938 has 18 divisors (see below), whose sum is σ = 16725712743. Its totient is φ = 4937305920.

The previous prime is 10494237937. The next prime is 10494237977. The reversal of 10494237938 is 83973249401.

It can be written as a sum of positive squares in 5 ways, for example, as 10364665249 + 129572689 = 101807^2 + 11383^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=72437.

It is a super-2 number, since 2×10494237938² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10494237931) 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, 2460728 + ... + 2464988.

Almost surely, 2^10494237938 is an apocalyptic number.

10494237938 is a deficient number, since it is larger than the sum of its proper divisors (6231474805).

10494237938 is an frugal number, since it uses more digits than its factorization.

10494237938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8558 (or 4280 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

Multiplying 10494237938 by its sum of digits (50), we get a square (524711896900 = 724370²).

The spelling of 10494237938 in words is "ten billion, four hundred ninety-four million, two hundred thirty-seven thousand, nine hundred thirty-eight".