10399563271 has 2 divisors, whose sum is σ = 10399563272. Its totient is φ = 10399563270.

The previous prime is 10399563259. The next prime is 10399563319. The reversal of 10399563271 is 17236599301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10399563271 - 2⁹ = 10399562759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10399560271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5199781635 + 5199781636.

It is an arithmetic number, because the mean of its divisors is an integer number (5199781636).

Almost surely, 2^10399563271 is an apocalyptic number.

10399563271 is a deficient number, since it is larger than the sum of its proper divisors (1).

10399563271 is an equidigital number, since it uses as much as digits as its factorization.

10399563271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 10399563271 in words is "ten billion, three hundred ninety-nine million, five hundred sixty-three thousand, two hundred seventy-one".