373172271973 has 2 divisors, whose sum is σ = 373172271974. Its totient is φ = 373172271972.

The previous prime is 373172271961. The next prime is 373172271977. The reversal of 373172271973 is 379172271373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291623760484 + 81548511489 = 540022^2 + 285567^2 .

It is a cyclic number.

It is not a de Polignac number, because 373172271973 - 2¹³ = 373172263781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 373172271973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373172271977) 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, 186586135986 + 186586135987.

It is an arithmetic number, because the mean of its divisors is an integer number (186586135987).

Almost surely, 2^373172271973 is an apocalyptic number.

It is an amenable number.

373172271973 is a deficient number, since it is larger than the sum of its proper divisors (1).

373172271973 is an equidigital number, since it uses as much as digits as its factorization.

373172271973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2333772, while the sum is 52.

The spelling of 373172271973 in words is "three hundred seventy-three billion, one hundred seventy-two million, two hundred seventy-one thousand, nine hundred seventy-three".