10291034881 has 4 divisors (see below), whose sum is σ = 10896389892. Its totient is φ = 9685679872.

The previous prime is 10291034879. The next prime is 10291034909. The reversal of 10291034881 is 18843019201.

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 5235824881 + 5055210000 = 72359^2 + 71100^2 .

It is a cyclic number.

It is not a de Polignac number, because 10291034881 - 2¹ = 10291034879 is a prime.

It is a super-2 number, since 2×10291034881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10291034881.

It is not an unprimeable number, because it can be changed into a prime (10291034081) 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, 302677480 + ... + 302677513.

It is an arithmetic number, because the mean of its divisors is an integer number (2724097473).

Almost surely, 2^10291034881 is an apocalyptic number.

It is an amenable number.

10291034881 is a deficient number, since it is larger than the sum of its proper divisors (605355011).

10291034881 is an equidigital number, since it uses as much as digits as its factorization.

10291034881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605355010.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 10291034881 in words is "ten billion, two hundred ninety-one million, thirty-four thousand, eight hundred eighty-one".