51350042430421 has 8 divisors (see below), whose sum is σ = 58685844487424. Its totient is φ = 44014260800880.

The previous prime is 51350042430343. The next prime is 51350042430431. The reversal of 51350042430421 is 12403424005315.

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 51350042430421 - 2¹³ = 51350042422229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350042430431) 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, 723571 + ... + 10159903.

It is an arithmetic number, because the mean of its divisors is an integer number (7335730560928).

Almost surely, 2^{51350042430421} is an apocalyptic number.

It is an amenable number.

51350042430421 is a deficient number, since it is larger than the sum of its proper divisors (7335802057003).

51350042430421 is an equidigital number, since it uses as much as digits as its factorization.

51350042430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213731.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 51350042430421 its reverse (12403424005315), we get a palindrome (63753466435736).

The spelling of 51350042430421 in words is "fifty-one trillion, three hundred fifty billion, forty-two million, four hundred thirty thousand, four hundred twenty-one".