149773722193 has 2 divisors, whose sum is σ = 149773722194. Its totient is φ = 149773722192.

The previous prime is 149773722157. The next prime is 149773722223. The reversal of 149773722193 is 391227377941.

149773722193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149759712144 + 14010049 = 386988^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 149773722193 - 2²⁵ = 149740167761 is a prime.

It is not a weakly prime, because it can be changed into another prime (149773702193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74886861096 + 74886861097.

It is an arithmetic number, because the mean of its divisors is an integer number (74886861097).

Almost surely, 2^149773722193 is an apocalyptic number.

It is an amenable number.

149773722193 is a deficient number, since it is larger than the sum of its proper divisors (1).

149773722193 is an equidigital number, since it uses as much as digits as its factorization.

149773722193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 55.

The spelling of 149773722193 in words is "one hundred forty-nine billion, seven hundred seventy-three million, seven hundred twenty-two thousand, one hundred ninety-three".