421454105002 has 8 divisors (see below), whose sum is σ = 722492751456. Its totient is φ = 180623187852.

The previous prime is 421454104993. The next prime is 421454105003. The reversal of 421454105002 is 200501454124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (421454105003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15051932308 + ... + 15051932335.

It is an arithmetic number, because the mean of its divisors is an integer number (90311593932).

Almost surely, 2^421454105002 is an apocalyptic number.

421454105002 is a deficient number, since it is larger than the sum of its proper divisors (301038646454).

421454105002 is a wasteful number, since it uses less digits than its factorization.

421454105002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30103864652.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 421454105002 its reverse (200501454124), we get a palindrome (621955559126).

The spelling of 421454105002 in words is "four hundred twenty-one billion, four hundred fifty-four million, one hundred five thousand, two".