10396938891 has 4 divisors (see below), whose sum is σ = 13862585192. Its totient is φ = 6931292592.

The previous prime is 10396938847. The next prime is 10396938907. The reversal of 10396938891 is 19883969301.

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

It is not a de Polignac number, because 10396938891 - 2¹¹ = 10396936843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10396938091) 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, 1732823146 + ... + 1732823151.

It is an arithmetic number, because the mean of its divisors is an integer number (3465646298).

Almost surely, 2^10396938891 is an apocalyptic number.

10396938891 is a deficient number, since it is larger than the sum of its proper divisors (3465646301).

10396938891 is an equidigital number, since it uses as much as digits as its factorization.

10396938891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465646300.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The spelling of 10396938891 in words is "ten billion, three hundred ninety-six million, nine hundred thirty-eight thousand, eight hundred ninety-one".