421487784124 has 12 divisors (see below), whose sum is σ = 804658497048. Its totient is φ = 191585356400.

The previous prime is 421487784101. The next prime is 421487784161.

421487784124 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4789633867 + ... + 4789633954.

It is an arithmetic number, because the mean of its divisors is an integer number (67054874754).

Almost surely, 2^421487784124 is an apocalyptic number.

421487784124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421487784124 is a deficient number, since it is larger than the sum of its proper divisors (383170712924).

421487784124 is a wasteful number, since it uses less digits than its factorization.

421487784124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579267836 (or 9579267834 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 52.

The spelling of 421487784124 in words is "four hundred twenty-one billion, four hundred eighty-seven million, seven hundred eighty-four thousand, one hundred twenty-four".