73909859063 has 4 divisors (see below), whose sum is σ = 74094173328. Its totient is φ = 73725544800.

The previous prime is 73909859029. The next prime is 73909859113. The reversal of 73909859063 is 36095890937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36095890937 = 61 ⋅591735917.

It is a cyclic number.

It is not a de Polignac number, because 73909859063 - 2¹⁴ = 73909842679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73909858993 and 73909859011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73909858063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92156531 + ... + 92157332.

It is an arithmetic number, because the mean of its divisors is an integer number (18523543332).

Almost surely, 2^73909859063 is an apocalyptic number.

73909859063 is a deficient number, since it is larger than the sum of its proper divisors (184314265).

73909859063 is a wasteful number, since it uses less digits than its factorization.

73909859063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184314264.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 73909859063 in words is "seventy-three billion, nine hundred nine million, eight hundred fifty-nine thousand, sixty-three".