10897443893 has 4 divisors (see below), whose sum is σ = 12454221600. Its totient is φ = 9340666188.

The previous prime is 10897443877. The next prime is 10897443917. The reversal of 10897443893 is 39834479801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10897443893 - 2⁴ = 10897443877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10897433893) 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, 778388843 + ... + 778388856.

It is an arithmetic number, because the mean of its divisors is an integer number (3113555400).

Almost surely, 2^10897443893 is an apocalyptic number.

It is an amenable number.

10897443893 is a deficient number, since it is larger than the sum of its proper divisors (1556777707).

10897443893 is an equidigital number, since it uses as much as digits as its factorization.

10897443893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556777706.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 10897443893 in words is "ten billion, eight hundred ninety-seven million, four hundred forty-three thousand, eight hundred ninety-three".