51673936597 has 8 divisors (see below), whose sum is σ = 54364934232. Its totient is φ = 49051065600.

The previous prime is 51673936571. The next prime is 51673936619. The reversal of 51673936597 is 79563937615.

It can be written as a sum of positive squares in 4 ways, for example, as 2499100081 + 49174836516 = 49991^2 + 221754^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51673936597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673936697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17030104 + ... + 17033137.

It is an arithmetic number, because the mean of its divisors is an integer number (6795616779).

Almost surely, 2^51673936597 is an apocalyptic number.

It is an amenable number.

51673936597 is a deficient number, since it is larger than the sum of its proper divisors (2690997635).

51673936597 is a wasteful number, since it uses less digits than its factorization.

51673936597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34063319.

The product of its digits is 32148900, while the sum is 61.

The spelling of 51673936597 in words is "fifty-one billion, six hundred seventy-three million, nine hundred thirty-six thousand, five hundred ninety-seven".