421343362066 has 24 divisors (see below), whose sum is σ = 695173569552. Its totient is φ = 191387559000.

The previous prime is 421343362043. The next prime is 421343362109. The reversal of 421343362066 is 660263343124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248820 + ... + 951103.

It is an arithmetic number, because the mean of its divisors is an integer number (28965565398).

Almost surely, 2^421343362066 is an apocalyptic number.

421343362066 is a deficient number, since it is larger than the sum of its proper divisors (273830207486).

421343362066 is a wasteful number, since it uses less digits than its factorization.

421343362066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201398 (or 1201387 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 421343362066 in words is "four hundred twenty-one billion, three hundred forty-three million, three hundred sixty-two thousand, sixty-six".