51243433045 has 8 divisors (see below), whose sum is σ = 70276708224. Its totient is φ = 35138354064.

The previous prime is 51243433037. The next prime is 51243433049. The reversal of 51243433045 is 54033434215.

It is a happy number.

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 51243433045 - 2³ = 51243433037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51243433045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51243433049) 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, 732049009 + ... + 732049078.

It is an arithmetic number, because the mean of its divisors is an integer number (8784588528).

Almost surely, 2^51243433045 is an apocalyptic number.

It is an amenable number.

51243433045 is a deficient number, since it is larger than the sum of its proper divisors (19033275179).

51243433045 is a wasteful number, since it uses less digits than its factorization.

51243433045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464098099.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 51243433045 in words is "fifty-one billion, two hundred forty-three million, four hundred thirty-three thousand, forty-five".