10397516881 has 2 divisors, whose sum is σ = 10397516882. Its totient is φ = 10397516880.

The previous prime is 10397516869. The next prime is 10397516929. The reversal of 10397516881 is 18861579301.

It is a happy number.

10397516881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10342890000 + 54626881 = 101700^2 + 7391^2 .

It is a cyclic number.

It is not a de Polignac number, because 10397516881 - 2⁵ = 10397516849 is a prime.

It is a super-2 number, since 2×10397516881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10397516681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198758440 + 5198758441.

It is an arithmetic number, because the mean of its divisors is an integer number (5198758441).

Almost surely, 2^10397516881 is an apocalyptic number.

It is an amenable number.

10397516881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10397516881 is an equidigital number, since it uses as much as digits as its factorization.

10397516881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 49.

The spelling of 10397516881 in words is "ten billion, three hundred ninety-seven million, five hundred sixteen thousand, eight hundred eighty-one".