73283280628881 has 4 divisors (see below), whose sum is σ = 97711040838512. Its totient is φ = 48855520419252.

The previous prime is 73283280628819. The next prime is 73283280628979. The reversal of 73283280628881 is 18882608238237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 73283280628881 - 2⁴¹ = 71084257373329 is a prime.

It is a super-2 number, since 2×73283280628881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73283280528881) 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, 12213880104811 + ... + 12213880104816.

It is an arithmetic number, because the mean of its divisors is an integer number (24427760209628).

Almost surely, 2^{73283280628881} is an apocalyptic number.

It is an amenable number.

73283280628881 is a deficient number, since it is larger than the sum of its proper divisors (24427760209631).

73283280628881 is a wasteful number, since it uses less digits than its factorization.

73283280628881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24427760209630.

The product of its (nonzero) digits is 99090432, while the sum is 66.

The spelling of 73283280628881 in words is "seventy-three trillion, two hundred eighty-three billion, two hundred eighty million, six hundred twenty-eight thousand, eight hundred eighty-one".