421286753252 has 12 divisors (see below), whose sum is σ = 737356903920. Its totient is φ = 210613352136.

The previous prime is 421286753221. The next prime is 421286753281. The reversal of 421286753252 is 252357682124.

It is a super-2 number, since 2×421286753252² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421286753197 and 421286753206.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7474538 + ... + 7530689.

It is an arithmetic number, because the mean of its divisors is an integer number (61446408660).

Almost surely, 2^421286753252 is an apocalyptic number.

It is an amenable number.

421286753252 is a deficient number, since it is larger than the sum of its proper divisors (316070150668).

421286753252 is a wasteful number, since it uses less digits than its factorization.

421286753252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012250 (or 15012248 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The spelling of 421286753252 in words is "four hundred twenty-one billion, two hundred eighty-six million, seven hundred fifty-three thousand, two hundred fifty-two".