187943390483 has 2 divisors, whose sum is σ = 187943390484. Its totient is φ = 187943390482.

The previous prime is 187943390449. The next prime is 187943390491. The reversal of 187943390483 is 384093349781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 187943390483 - 2³² = 183648423187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (187943390183) 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, 93971695241 + 93971695242.

It is an arithmetic number, because the mean of its divisors is an integer number (93971695242).

Almost surely, 2^187943390483 is an apocalyptic number.

187943390483 is a deficient number, since it is larger than the sum of its proper divisors (1).

187943390483 is an equidigital number, since it uses as much as digits as its factorization.

187943390483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 187943390483 in words is "one hundred eighty-seven billion, nine hundred forty-three million, three hundred ninety thousand, four hundred eighty-three".