10438732994 has 8 divisors (see below), whose sum is σ = 15991250688. Its totient is φ = 5108316100.

The previous prime is 10438732991. The next prime is 10438732999. The reversal of 10438732994 is 49923783401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10438732991) 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, 55525082 + ... + 55525269.

It is an arithmetic number, because the mean of its divisors is an integer number (1998906336).

Almost surely, 2^10438732994 is an apocalyptic number.

10438732994 is a deficient number, since it is larger than the sum of its proper divisors (5552517694).

10438732994 is a wasteful number, since it uses less digits than its factorization.

10438732994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111050400.

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

The spelling of 10438732994 in words is "ten billion, four hundred thirty-eight million, seven hundred thirty-two thousand, nine hundred ninety-four".