51472418342 has 4 divisors (see below), whose sum is σ = 77208627516. Its totient is φ = 25736209170.

The previous prime is 51472418341. The next prime is 51472418353. The reversal of 51472418342 is 24381427415.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51472418342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51472418341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12868104584 + ... + 12868104587.

It is an arithmetic number, because the mean of its divisors is an integer number (19302156879).

Almost surely, 2^51472418342 is an apocalyptic number.

51472418342 is a deficient number, since it is larger than the sum of its proper divisors (25736209174).

51472418342 is a wasteful number, since it uses less digits than its factorization.

51472418342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25736209173.

The product of its digits is 215040, while the sum is 41.

The spelling of 51472418342 in words is "fifty-one billion, four hundred seventy-two million, four hundred eighteen thousand, three hundred forty-two".