10791822681 has 6 divisors (see below), whose sum is σ = 15588188330. Its totient is φ = 7194548448.

The previous prime is 10791822659. The next prime is 10791822689. The reversal of 10791822681 is 18622819701.

It can be written as a sum of positive squares in only one way, i.e., 5762176281 + 5029646400 = 75909^2 + 70920^2 .

It is not a de Polignac number, because 10791822681 - 2⁷ = 10791822553 is a prime.

It is a super-2 number, since 2×10791822681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10791822689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 599545696 + ... + 599545713.

Almost surely, 2^10791822681 is an apocalyptic number.

It is an amenable number.

10791822681 is a deficient number, since it is larger than the sum of its proper divisors (4796365649).

10791822681 is a wasteful number, since it uses less digits than its factorization.

10791822681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199091415 (or 1199091412 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 10791822681 in words is "ten billion, seven hundred ninety-one million, eight hundred twenty-two thousand, six hundred eighty-one".