51673294073 has 8 divisors (see below), whose sum is σ = 52565836680. Its totient is φ = 50788220800.

The previous prime is 51673294051. The next prime is 51673294097. The reversal of 51673294073 is 37049237615.

It can be written as a sum of positive squares in 4 ways, for example, as 24753672889 + 26919621184 = 157333^2 + 164072^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51673294073 - 2⁶ = 51673294009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51673294033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853378 + ... + 1881051.

It is an arithmetic number, because the mean of its divisors is an integer number (6570729585).

Almost surely, 2^51673294073 is an apocalyptic number.

It is an amenable number.

51673294073 is a deficient number, since it is larger than the sum of its proper divisors (892542607).

51673294073 is a wasteful number, since it uses less digits than its factorization.

51673294073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734667.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 51673294073 in words is "fifty-one billion, six hundred seventy-three million, two hundred ninety-four thousand, seventy-three".