108447293281 has 2 divisors, whose sum is σ = 108447293282. Its totient is φ = 108447293280.

The previous prime is 108447293249. The next prime is 108447293321. The reversal of 108447293281 is 182392744801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61881537600 + 46565755681 = 248760^2 + 215791^2 .

It is a cyclic number.

It is not a de Polignac number, because 108447293281 - 2⁵ = 108447293249 is a prime.

It is a super-2 number, since 2×108447293281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108447293881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54223646640 + 54223646641.

It is an arithmetic number, because the mean of its divisors is an integer number (54223646641).

Almost surely, 2^108447293281 is an apocalyptic number.

It is an amenable number.

108447293281 is a deficient number, since it is larger than the sum of its proper divisors (1).

108447293281 is an equidigital number, since it uses as much as digits as its factorization.

108447293281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 108447293281 in words is "one hundred eight billion, four hundred forty-seven million, two hundred ninety-three thousand, two hundred eighty-one".