185239141081963 has 2 divisors, whose sum is σ = 185239141081964. Its totient is φ = 185239141081962.

The previous prime is 185239141081933. The next prime is 185239141081993. The reversal of 185239141081963 is 369180141932581.

It is a balanced prime because it is at equal distance from previous prime (185239141081933) and next prime (185239141081993).

It is a cyclic number.

It is not a de Polignac number, because 185239141081963 - 2⁹ = 185239141081451 is a prime.

It is not a weakly prime, because it can be changed into another prime (185239141081933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92619570540981 + 92619570540982.

It is an arithmetic number, because the mean of its divisors is an integer number (92619570540982).

Almost surely, 2^{185239141081963} is an apocalyptic number.

185239141081963 is a deficient number, since it is larger than the sum of its proper divisors (1).

185239141081963 is an equidigital number, since it uses as much as digits as its factorization.

185239141081963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 185239141081963 in words is "one hundred eighty-five trillion, two hundred thirty-nine billion, one hundred forty-one million, eighty-one thousand, nine hundred sixty-three".