73475317263 has 4 divisors (see below), whose sum is σ = 97967089688. Its totient is φ = 48983544840.

The previous prime is 73475317261. The next prime is 73475317271. The reversal of 73475317263 is 36271357437.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73475317263 - 2¹ = 73475317261 is a prime.

It is a super-2 number, since 2×73475317263² (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 (73475317261) 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 3 ways as a sum of consecutive naturals, for example, 12245886208 + ... + 12245886213.

It is an arithmetic number, because the mean of its divisors is an integer number (24491772422).

Almost surely, 2^73475317263 is an apocalyptic number.

73475317263 is a deficient number, since it is larger than the sum of its proper divisors (24491772425).

73475317263 is a wasteful number, since it uses less digits than its factorization.

73475317263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24491772424.

The product of its digits is 2222640, while the sum is 48.

The spelling of 73475317263 in words is "seventy-three billion, four hundred seventy-five million, three hundred seventeen thousand, two hundred sixty-three".