9073699850881 has 4 divisors (see below), whose sum is σ = 9073724359252. Its totient is φ = 9073675342512.

The previous prime is 9073699850869. The next prime is 9073699850899. The reversal of 9073699850881 is 1880589963709.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2358423632656 + 6715276218225 = 1535716^2 + 2591385^2 .

It is a cyclic number.

It is not a de Polignac number, because 9073699850881 - 2²³ = 9073691462273 is a prime.

It is a super-2 number, since 2×9073699850881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9073699850821) 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, 11690190 + ... + 12442183.

It is an arithmetic number, because the mean of its divisors is an integer number (2268431089813).

Almost surely, 2^{9073699850881} is an apocalyptic number.

It is an amenable number.

9073699850881 is a deficient number, since it is larger than the sum of its proper divisors (24508371).

9073699850881 is a wasteful number, since it uses less digits than its factorization.

9073699850881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24508370.

The product of its (nonzero) digits is 235146240, while the sum is 73.

The spelling of 9073699850881 in words is "nine trillion, seventy-three billion, six hundred ninety-nine million, eight hundred fifty thousand, eight hundred eighty-one".