10089890845 has 4 divisors (see below), whose sum is σ = 12107869020. Its totient is φ = 8071912672.

The previous prime is 10089890827. The next prime is 10089890851. The reversal of 10089890845 is 54809898001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54809898001 = 1867 ⋅29357203.

It can be written as a sum of positive squares in 2 ways, for example, as 7928477764 + 2161413081 = 89042^2 + 46491^2 .

It is a cyclic number.

It is not a de Polignac number, because 10089890845 - 2⁷ = 10089890717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10089890792 and 10089890801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008989080 + ... + 1008989089.

It is an arithmetic number, because the mean of its divisors is an integer number (3026967255).

Almost surely, 2^10089890845 is an apocalyptic number.

It is an amenable number.

10089890845 is a deficient number, since it is larger than the sum of its proper divisors (2017978175).

10089890845 is an equidigital number, since it uses as much as digits as its factorization.

10089890845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017978174.

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 10089890845 in words is "ten billion, eighty-nine million, eight hundred ninety thousand, eight hundred forty-five".