10897427129 has 4 divisors (see below), whose sum is σ = 10953890676. Its totient is φ = 10840963584.

The previous prime is 10897427087. The next prime is 10897427131. The reversal of 10897427129 is 92172479801.

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 6371232400 + 4526194729 = 79820^2 + 67277^2 .

It is a cyclic number.

It is not a de Polignac number, because 10897427129 - 2⁸ = 10897426873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10897427929) 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, 28231484 + ... + 28231869.

It is an arithmetic number, because the mean of its divisors is an integer number (2738472669).

Almost surely, 2^10897427129 is an apocalyptic number.

It is an amenable number.

10897427129 is a deficient number, since it is larger than the sum of its proper divisors (56463547).

10897427129 is an equidigital number, since it uses as much as digits as its factorization.

10897427129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56463546.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 10897427129 in words is "ten billion, eight hundred ninety-seven million, four hundred twenty-seven thousand, one hundred twenty-nine".