73214638109 has 16 divisors (see below), whose sum is σ = 75520523520. Its totient is φ = 70948388160.

The previous prime is 73214638067. The next prime is 73214638127. The reversal of 73214638109 is 90183641237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73214638109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73214638109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73214637109) 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 15 ways as a sum of consecutive naturals, for example, 2234207 + ... + 2266739.

It is an arithmetic number, because the mean of its divisors is an integer number (4720032720).

Almost surely, 2^73214638109 is an apocalyptic number.

73214638109 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

73214638109 is a deficient number, since it is larger than the sum of its proper divisors (2305885411).

73214638109 is a wasteful number, since it uses less digits than its factorization.

73214638109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33140.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 73214638109 in words is "seventy-three billion, two hundred fourteen million, six hundred thirty-eight thousand, one hundred nine".