189514000391 has 2 divisors, whose sum is σ = 189514000392. Its totient is φ = 189514000390.

The previous prime is 189514000337. The next prime is 189514000411. The reversal of 189514000391 is 193000415981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189514000391 - 2¹⁸ = 189513738247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189514000891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94757000195 + 94757000196.

It is an arithmetic number, because the mean of its divisors is an integer number (94757000196).

Almost surely, 2^189514000391 is an apocalyptic number.

189514000391 is a deficient number, since it is larger than the sum of its proper divisors (1).

189514000391 is an equidigital number, since it uses as much as digits as its factorization.

189514000391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 189514000391 in words is "one hundred eighty-nine billion, five hundred fourteen million, three hundred ninety-one", and thus it is an aban number.