172952385443 has 2 divisors, whose sum is σ = 172952385444. Its totient is φ = 172952385442.

The previous prime is 172952385439. The next prime is 172952385467. The reversal of 172952385443 is 344583259271.

172952385443 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 172952385443 - 2² = 172952385439 is a prime.

It is not a weakly prime, because it can be changed into another prime (172952385493) 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, 86476192721 + 86476192722.

It is an arithmetic number, because the mean of its divisors is an integer number (86476192722).

Almost surely, 2^172952385443 is an apocalyptic number.

172952385443 is a deficient number, since it is larger than the sum of its proper divisors (1).

172952385443 is an equidigital number, since it uses as much as digits as its factorization.

172952385443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 53.

The spelling of 172952385443 in words is "one hundred seventy-two billion, nine hundred fifty-two million, three hundred eighty-five thousand, four hundred forty-three".