10427268997 has 4 divisors (see below), whose sum is σ = 10709087116. Its totient is φ = 10145450880.

The previous prime is 10427268949. The next prime is 10427269019. The reversal of 10427268997 is 79986272401.

It is a Cunningham number, because it is equal to 102114²+1.

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 9330400836 + 1096868161 = 96594^2 + 33119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10427268997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10427268497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140909004 + ... + 140909077.

It is an arithmetic number, because the mean of its divisors is an integer number (2677271779).

Almost surely, 2^10427268997 is an apocalyptic number.

It is an amenable number.

10427268997 is a deficient number, since it is larger than the sum of its proper divisors (281818119).

10427268997 is an equidigital number, since it uses as much as digits as its factorization.

10427268997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281818118.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 10427268997 in words is "ten billion, four hundred twenty-seven million, two hundred sixty-eight thousand, nine hundred ninety-seven".