383613383173 has 2 divisors, whose sum is σ = 383613383174. Its totient is φ = 383613383172.

The previous prime is 383613383137. The next prime is 383613383203. The reversal of 383613383173 is 371383316383.

Together with previous prime (383613383137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226973157889 + 156640225284 = 476417^2 + 395778^2 .

It is a cyclic number.

It is not a de Polignac number, because 383613383173 - 2⁹ = 383613382661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383613383473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191806691586 + 191806691587.

It is an arithmetic number, because the mean of its divisors is an integer number (191806691587).

Almost surely, 2^383613383173 is an apocalyptic number.

It is an amenable number.

383613383173 is a deficient number, since it is larger than the sum of its proper divisors (1).

383613383173 is an equidigital number, since it uses as much as digits as its factorization.

383613383173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 49.

The spelling of 383613383173 in words is "three hundred eighty-three billion, six hundred thirteen million, three hundred eighty-three thousand, one hundred seventy-three".