172989624383 has 2 divisors, whose sum is σ = 172989624384. Its totient is φ = 172989624382.

The previous prime is 172989624377. The next prime is 172989624397. The reversal of 172989624383 is 383426989271.

172989624383 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 is a cyclic number.

It is not a de Polignac number, because 172989624383 - 2²⁴ = 172972847167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172989624343) 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, 86494812191 + 86494812192.

It is an arithmetic number, because the mean of its divisors is an integer number (86494812192).

Almost surely, 2^172989624383 is an apocalyptic number.

172989624383 is a deficient number, since it is larger than the sum of its proper divisors (1).

172989624383 is an equidigital number, since it uses as much as digits as its factorization.

172989624383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 62.

The spelling of 172989624383 in words is "one hundred seventy-two billion, nine hundred eighty-nine million, six hundred twenty-four thousand, three hundred eighty-three".