194922251827 has 2 divisors, whose sum is σ = 194922251828. Its totient is φ = 194922251826.

The previous prime is 194922251819. The next prime is 194922251831. The reversal of 194922251827 is 728152229491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194922251827 - 2³ = 194922251819 is a prime.

It is not a weakly prime, because it can be changed into another prime (194922251837) 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, 97461125913 + 97461125914.

It is an arithmetic number, because the mean of its divisors is an integer number (97461125914).

Almost surely, 2^194922251827 is an apocalyptic number.

194922251827 is a deficient number, since it is larger than the sum of its proper divisors (1).

194922251827 is an equidigital number, since it uses as much as digits as its factorization.

194922251827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 194922251827 in words is "one hundred ninety-four billion, nine hundred twenty-two million, two hundred fifty-one thousand, eight hundred twenty-seven".