149773919321 has 24 divisors (see below), whose sum is σ = 170853455520. Its totient is φ = 130871759616.

The previous prime is 149773919311. The next prime is 149773919327. The reversal of 149773919321 is 123919377941.

149773919321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149773919321 - 2⁶ = 149773919257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149773919327) 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 in 23 ways as a sum of consecutive naturals, for example, 4146686 + ... + 4182648.

It is an arithmetic number, because the mean of its divisors is an integer number (7118893980).

Almost surely, 2^149773919321 is an apocalyptic number.

It is an amenable number.

149773919321 is a deficient number, since it is larger than the sum of its proper divisors (21079536199).

149773919321 is a wasteful number, since it uses less digits than its factorization.

149773919321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37305 (or 37292 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 56.

The spelling of 149773919321 in words is "one hundred forty-nine billion, seven hundred seventy-three million, nine hundred nineteen thousand, three hundred twenty-one".