381090239983 has 2 divisors, whose sum is σ = 381090239984. Its totient is φ = 381090239982.

The previous prime is 381090239951. The next prime is 381090240061. The reversal of 381090239983 is 389932090183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381090239983 - 2⁵ = 381090239951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381090239483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190545119991 + 190545119992.

It is an arithmetic number, because the mean of its divisors is an integer number (190545119992).

Almost surely, 2^381090239983 is an apocalyptic number.

381090239983 is a deficient number, since it is larger than the sum of its proper divisors (1).

381090239983 is an equidigital number, since it uses as much as digits as its factorization.

381090239983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 381090239983 in words is "three hundred eighty-one billion, ninety million, two hundred thirty-nine thousand, nine hundred eighty-three".