10890212269 has 4 divisors (see below), whose sum is σ = 11265736860. Its totient is φ = 10514687680.

The previous prime is 10890212251. The next prime is 10890212279. The reversal of 10890212269 is 96221209801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7927587369 + 2962624900 = 89037^2 + 54430^2 .

It is a cyclic number.

It is not a de Polignac number, because 10890212269 - 2⁷ = 10890212141 is a prime.

It is a super-2 number, since 2×10890212269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10890212279) 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, 187762252 + ... + 187762309.

It is an arithmetic number, because the mean of its divisors is an integer number (2816434215).

Almost surely, 2^10890212269 is an apocalyptic number.

It is an amenable number.

10890212269 is a deficient number, since it is larger than the sum of its proper divisors (375524591).

10890212269 is an equidigital number, since it uses as much as digits as its factorization.

10890212269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375524590.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 10890212269 in words is "ten billion, eight hundred ninety million, two hundred twelve thousand, two hundred sixty-nine".