172893106999 has 2 divisors, whose sum is σ = 172893107000. Its totient is φ = 172893106998.

The previous prime is 172893106987. The next prime is 172893107003. The reversal of 172893106999 is 999601398271.

172893106999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172893106999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172893106999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172893106949) 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 as a sum of consecutive naturals, namely, 86446553499 + 86446553500.

It is an arithmetic number, because the mean of its divisors is an integer number (86446553500).

Almost surely, 2^172893106999 is an apocalyptic number.

172893106999 is a deficient number, since it is larger than the sum of its proper divisors (1).

172893106999 is an equidigital number, since it uses as much as digits as its factorization.

172893106999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13226976, while the sum is 64.

The spelling of 172893106999 in words is "one hundred seventy-two billion, eight hundred ninety-three million, one hundred six thousand, nine hundred ninety-nine".