73351310899 has 4 divisors (see below), whose sum is σ = 73371994264. Its totient is φ = 73330627536.

The previous prime is 73351310897. The next prime is 73351310987. The reversal of 73351310899 is 99801315337.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99801315337 = 44089 ⋅2263633.

It is a cyclic number.

It is not a de Polignac number, because 73351310899 - 2¹ = 73351310897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73351310897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10336362 + ... + 10343455.

It is an arithmetic number, because the mean of its divisors is an integer number (18342998566).

Almost surely, 2^73351310899 is an apocalyptic number.

73351310899 is a deficient number, since it is larger than the sum of its proper divisors (20683365).

73351310899 is a wasteful number, since it uses less digits than its factorization.

73351310899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20683364.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 73351310899 in words is "seventy-three billion, three hundred fifty-one million, three hundred ten thousand, eight hundred ninety-nine".