172851942383 has 2 divisors, whose sum is σ = 172851942384. Its totient is φ = 172851942382.

The previous prime is 172851942313. The next prime is 172851942421. The reversal of 172851942383 is 383249158271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172851942383 - 2⁸ = 172851942127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172851942313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86425971191 + 86425971192.

It is an arithmetic number, because the mean of its divisors is an integer number (86425971192).

Almost surely, 2^172851942383 is an apocalyptic number.

172851942383 is a deficient number, since it is larger than the sum of its proper divisors (1).

172851942383 is an equidigital number, since it uses as much as digits as its factorization.

172851942383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The spelling of 172851942383 in words is "one hundred seventy-two billion, eight hundred fifty-one million, nine hundred forty-two thousand, three hundred eighty-three".