73236944389 has 16 divisors (see below), whose sum is σ = 84892409856. Its totient is φ = 61880036400.

The previous prime is 73236944381. The next prime is 73236944419. The reversal of 73236944389 is 98344963237.

It is not a de Polignac number, because 73236944389 - 2³ = 73236944381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73236944381) 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 in 15 ways as a sum of consecutive naturals, for example, 5097514 + ... + 5111860.

It is an arithmetic number, because the mean of its divisors is an integer number (5305775616).

Almost surely, 2^73236944389 is an apocalyptic number.

It is an amenable number.

73236944389 is a deficient number, since it is larger than the sum of its proper divisors (11655465467).

73236944389 is a wasteful number, since it uses less digits than its factorization.

73236944389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696.

The product of its digits is 23514624, while the sum is 58.

The spelling of 73236944389 in words is "seventy-three billion, two hundred thirty-six million, nine hundred forty-four thousand, three hundred eighty-nine".