187933349039 has 2 divisors, whose sum is σ = 187933349040. Its totient is φ = 187933349038.

The previous prime is 187933349033. The next prime is 187933349063. The reversal of 187933349039 is 930943339781.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-187933349039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187933349033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93966674519 + 93966674520.

It is an arithmetic number, because the mean of its divisors is an integer number (93966674520).

Almost surely, 2^187933349039 is an apocalyptic number.

187933349039 is a deficient number, since it is larger than the sum of its proper divisors (1).

187933349039 is an equidigital number, since it uses as much as digits as its factorization.

187933349039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13226976, while the sum is 59.

The spelling of 187933349039 in words is "one hundred eighty-seven billion, nine hundred thirty-three million, three hundred forty-nine thousand, thirty-nine".