421854147010 has 16 divisors (see below), whose sum is σ = 760465764216. Its totient is φ = 168490925568.

The previous prime is 421854146983. The next prime is 421854147049. The reversal of 421854147010 is 10741458124.

It is a happy number.

It is a Cunningham number, because it is equal to 649503²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 151866869401 + 269987277609 = 389701^2 + 519603^2 .

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 7 ways as a sum of consecutive naturals, for example, 31334589 + ... + 31348048.

Almost surely, 2^421854147010 is an apocalyptic number.

421854147010 is a deficient number, since it is larger than the sum of its proper divisors (338611617206).

421854147010 is a wasteful number, since it uses less digits than its factorization.

421854147010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62683317.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 421854147010 in words is "four hundred twenty-one billion, eight hundred fifty-four million, one hundred forty-seven thousand, ten".