73621243189 has 8 divisors (see below), whose sum is σ = 79286709600. Its totient is φ = 67956104496.

The previous prime is 73621243183. The next prime is 73621243231. The reversal of 73621243189 is 98134212637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73621243189 - 2⁹ = 73621242677 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 (73621243183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586962 + ... + 701260.

It is an arithmetic number, because the mean of its divisors is an integer number (9910838700).

Almost surely, 2^73621243189 is an apocalyptic number.

It is an amenable number.

73621243189 is a deficient number, since it is larger than the sum of its proper divisors (5665466411).

73621243189 is a wasteful number, since it uses less digits than its factorization.

73621243189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163859.

The product of its digits is 435456, while the sum is 46.

The spelling of 73621243189 in words is "seventy-three billion, six hundred twenty-one million, two hundred forty-three thousand, one hundred eighty-nine".