194101849 has 2 divisors, whose sum is σ = 194101850. Its totient is φ = 194101848.

The previous prime is 194101841. The next prime is 194101877. The reversal of 194101849 is 948101491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194100624 + 1225 = 13932^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 194101849 - 2³ = 194101841 is a prime.

It is not a weakly prime, because it can be changed into another prime (194101841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97050924 + 97050925.

It is an arithmetic number, because the mean of its divisors is an integer number (97050925).

Almost surely, 2^194101849 is an apocalyptic number.

It is an amenable number.

194101849 is a deficient number, since it is larger than the sum of its proper divisors (1).

194101849 is an equidigital number, since it uses as much as digits as its factorization.

194101849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 194101849 is about 13932.0439634678. The cubic root of 194101849 is about 578.9973252949.

The spelling of 194101849 in words is "one hundred ninety-four million, one hundred one thousand, eight hundred forty-nine".