421345164022 has 16 divisors (see below), whose sum is σ = 644481285120. Its totient is φ = 206537528808.

The previous prime is 421345163957. The next prime is 421345164043. The reversal of 421345164022 is 220461543124.

It is a congruent number.

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, 4821438 + ... + 4908049.

It is an arithmetic number, because the mean of its divisors is an integer number (40280080320).

Almost surely, 2^421345164022 is an apocalyptic number.

421345164022 is a deficient number, since it is larger than the sum of its proper divisors (223136121098).

421345164022 is a wasteful number, since it uses less digits than its factorization.

421345164022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9729915.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 421345164022 in words is "four hundred twenty-one billion, three hundred forty-five million, one hundred sixty-four thousand, twenty-two".