194376503939 has 2 divisors, whose sum is σ = 194376503940. Its totient is φ = 194376503938.

The previous prime is 194376503879. The next prime is 194376503953. The reversal of 194376503939 is 939305673491.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194376503939 - 2⁸ = 194376503683 is a prime.

It is not a weakly prime, because it can be changed into another prime (194376503039) 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, 97188251969 + 97188251970.

It is an arithmetic number, because the mean of its divisors is an integer number (97188251970).

Almost surely, 2^194376503939 is an apocalyptic number.

194376503939 is a deficient number, since it is larger than the sum of its proper divisors (1).

194376503939 is an equidigital number, since it uses as much as digits as its factorization.

194376503939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16533720, while the sum is 59.

The spelling of 194376503939 in words is "one hundred ninety-four billion, three hundred seventy-six million, five hundred three thousand, nine hundred thirty-nine".