172138883383 has 2 divisors, whose sum is σ = 172138883384. Its totient is φ = 172138883382.

The previous prime is 172138883381. The next prime is 172138883429. The reversal of 172138883383 is 383388831271.

It is a weak prime.

It is an emirp because it is prime and its reverse (383388831271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172138883383 - 2¹ = 172138883381 is a prime.

Together with 172138883381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172138883381) 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, 86069441691 + 86069441692.

It is an arithmetic number, because the mean of its divisors is an integer number (86069441692).

Almost surely, 2^172138883383 is an apocalyptic number.

172138883383 is a deficient number, since it is larger than the sum of its proper divisors (1).

172138883383 is an equidigital number, since it uses as much as digits as its factorization.

172138883383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 55.

The spelling of 172138883383 in words is "one hundred seventy-two billion, one hundred thirty-eight million, eight hundred eighty-three thousand, three hundred eighty-three".