172893341983 has 2 divisors, whose sum is σ = 172893341984. Its totient is φ = 172893341982.

The previous prime is 172893341977. The next prime is 172893342019. The reversal of 172893341983 is 389143398271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172893341983 - 2²¹ = 172891244831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172893341903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86446670991 + 86446670992.

It is an arithmetic number, because the mean of its divisors is an integer number (86446670992).

Almost surely, 2^172893341983 is an apocalyptic number.

172893341983 is a deficient number, since it is larger than the sum of its proper divisors (1).

172893341983 is an equidigital number, since it uses as much as digits as its factorization.

172893341983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 58.

The spelling of 172893341983 in words is "one hundred seventy-two billion, eight hundred ninety-three million, three hundred forty-one thousand, nine hundred eighty-three".