9000051000073 has 4 divisors (see below), whose sum is σ = 10285772571520. Its totient is φ = 7714329428628.

The previous prime is 9000051000029. The next prime is 9000051000091. The reversal of 9000051000073 is 3700001500009.

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 a cyclic number.

It is not a de Polignac number, because 9000051000073 - 2²⁵ = 9000017445641 is a prime.

It is the 3000009-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000051000373) by changing a digit.

It is a nontrivial repunit in base 3000008.

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, 642860785713 + ... + 642860785726.

It is an arithmetic number, because the mean of its divisors is an integer number (2571443142880).

Almost surely, 2^{9000051000073} is an apocalyptic number.

It is an amenable number.

9000051000073 is a deficient number, since it is larger than the sum of its proper divisors (1285721571447).

9000051000073 is a wasteful number, since it uses less digits than its factorization.

9000051000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285721571446.

The product of its (nonzero) digits is 945, while the sum is 25.

The spelling of 9000051000073 in words is "nine trillion, fifty-one million, seventy-three", and thus it is an aban number and an uban number.