10445239999 has 2 divisors, whose sum is σ = 10445240000. Its totient is φ = 10445239998.

The previous prime is 10445239997. The next prime is 10445240051. The reversal of 10445239999 is 99993254401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10445239999 - 2¹ = 10445239997 is a prime.

Together with 10445239997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10445239997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222619999 + 5222620000.

It is an arithmetic number, because the mean of its divisors is an integer number (5222620000).

Almost surely, 2^10445239999 is an apocalyptic number.

10445239999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10445239999 is an equidigital number, since it uses as much as digits as its factorization.

10445239999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 10445239999 in words is "ten billion, four hundred forty-five million, two hundred thirty-nine thousand, nine hundred ninety-nine".