51002421014 has 16 divisors (see below), whose sum is σ = 77482137600. Its totient is φ = 25175126184.

The previous prime is 51002421013. The next prime is 51002421047. The reversal of 51002421014 is 41012420015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51002421013) 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, 1576469 + ... + 1608495.

It is an arithmetic number, because the mean of its divisors is an integer number (4842633600).

Almost surely, 2^51002421014 is an apocalyptic number.

51002421014 is a deficient number, since it is larger than the sum of its proper divisors (26479716586).

51002421014 is a wasteful number, since it uses less digits than its factorization.

51002421014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42187.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 51002421014 its reverse (41012420015), we get a palindrome (92014841029).

Subtracting from 51002421014 its reverse (41012420015), we obtain a palindrome (9990000999).

The spelling of 51002421014 in words is "fifty-one billion, two million, four hundred twenty-one thousand, fourteen".