50202002421 has 8 divisors (see below), whose sum is σ = 74373336960. Its totient is φ = 33468001596.

The previous prime is 50202002393. The next prime is 50202002443. The reversal of 50202002421 is 12420020205.

It is not a de Polignac number, because 50202002421 - 2¹⁹ = 50201478133 is a prime.

It is a super-2 number, since 2×50202002421² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50202002394 and 50202002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50202002471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929666685 + ... + 929666738.

It is an arithmetic number, because the mean of its divisors is an integer number (9296667120).

Almost surely, 2^50202002421 is an apocalyptic number.

It is an amenable number.

50202002421 is a deficient number, since it is larger than the sum of its proper divisors (24171334539).

50202002421 is a wasteful number, since it uses less digits than its factorization.

50202002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859333432 (or 1859333426 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 50202002421 its reverse (12420020205), we get a palindrome (62622022626).

The spelling of 50202002421 in words is "fifty billion, two hundred two million, two thousand, four hundred twenty-one".