421770623066 has 32 divisors (see below), whose sum is σ = 684427822848. Its totient is φ = 193777044480.

The previous prime is 421770623003. The next prime is 421770623069. The reversal of 421770623066 is 660326077124.

It is not an unprimeable number, because it can be changed into a prime (421770623069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9324986 + ... + 9370106.

It is an arithmetic number, because the mean of its divisors is an integer number (21388369464).

Almost surely, 2^421770623066 is an apocalyptic number.

421770623066 is a deficient number, since it is larger than the sum of its proper divisors (262657199782).

421770623066 is a wasteful number, since it uses less digits than its factorization.

421770623066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46766.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 421770623066 in words is "four hundred twenty-one billion, seven hundred seventy million, six hundred twenty-three thousand, sixty-six".