381372506195183 has 2 divisors, whose sum is σ = 381372506195184. Its totient is φ = 381372506195182.

The previous prime is 381372506194973. The next prime is 381372506195189. The reversal of 381372506195183 is 381591605273183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381372506195183 - 2¹² = 381372506191087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381372506195189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190686253097591 + 190686253097592.

It is an arithmetic number, because the mean of its divisors is an integer number (190686253097592).

Almost surely, 2^{381372506195183} is an apocalyptic number.

381372506195183 is a deficient number, since it is larger than the sum of its proper divisors (1).

381372506195183 is an equidigital number, since it uses as much as digits as its factorization.

381372506195183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 62.

Subtracting from 381372506195183 its sum of digits (62), we obtain a square (381372506195121 = 19528761²).

The spelling of 381372506195183 in words is "three hundred eighty-one trillion, three hundred seventy-two billion, five hundred six million, one hundred ninety-five thousand, one hundred eighty-three".