51266337789 has 8 divisors (see below), whose sum is σ = 70202552800. Its totient is φ = 33253840656.

The previous prime is 51266337767. The next prime is 51266337809. The reversal of 51266337789 is 98773366215.

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

It is not a de Polignac number, because 51266337789 - 2¹¹ = 51266335741 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 (51266337709) 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, 230929339 + ... + 230929560.

It is an arithmetic number, because the mean of its divisors is an integer number (8775319100).

Almost surely, 2^51266337789 is an apocalyptic number.

It is an amenable number.

51266337789 is a deficient number, since it is larger than the sum of its proper divisors (18936215011).

51266337789 is a wasteful number, since it uses less digits than its factorization.

51266337789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461858939.

The product of its digits is 11430720, while the sum is 57.

The spelling of 51266337789 in words is "fifty-one billion, two hundred sixty-six million, three hundred thirty-seven thousand, seven hundred eighty-nine".