73663480919 has 8 divisors (see below), whose sum is σ = 84348426528. Its totient is φ = 63018933120.

The previous prime is 73663480883. The next prime is 73663480937. The reversal of 73663480919 is 91908436637.

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 73663480919 - 2³⁶ = 4944004183 is a prime.

It is a super-2 number, since 2×73663480919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73663480949) 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, 10095542 + ... + 10102835.

It is an arithmetic number, because the mean of its divisors is an integer number (10543553316).

Almost surely, 2^73663480919 is an apocalyptic number.

73663480919 is a deficient number, since it is larger than the sum of its proper divisors (10684945609).

73663480919 is a wasteful number, since it uses less digits than its factorization.

73663480919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20198905.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 73663480919 in words is "seventy-three billion, six hundred sixty-three million, four hundred eighty thousand, nine hundred nineteen".