421474421446 has 16 divisors (see below), whose sum is σ = 681544514448. Its totient is φ = 194326308000.

The previous prime is 421474421429. The next prime is 421474421503. The reversal of 421474421446 is 644124474124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8322105 + ... + 8372596.

It is an arithmetic number, because the mean of its divisors is an integer number (42596532153).

Almost surely, 2^421474421446 is an apocalyptic number.

421474421446 is a deficient number, since it is larger than the sum of its proper divisors (260070093002).

421474421446 is a wasteful number, since it uses less digits than its factorization.

421474421446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16695687.

The product of its digits is 688128, while the sum is 43.

The spelling of 421474421446 in words is "four hundred twenty-one billion, four hundred seventy-four million, four hundred twenty-one thousand, four hundred forty-six".