421341046655 has 8 divisors (see below), whose sum is σ = 505697822784. Its totient is φ = 337013792800.

The previous prime is 421341046573. The next prime is 421341046727. The reversal of 421341046655 is 556640143124.

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

It is not a de Polignac number, because 421341046655 - 2¹⁶ = 421340981119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7349156 + ... + 7406265.

It is an arithmetic number, because the mean of its divisors is an integer number (63212227848).

Almost surely, 2^421341046655 is an apocalyptic number.

421341046655 is a deficient number, since it is larger than the sum of its proper divisors (84356776129).

421341046655 is a wasteful number, since it uses less digits than its factorization.

421341046655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14761137.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 421341046655 its reverse (556640143124), we get a palindrome (977981189779).

The spelling of 421341046655 in words is "four hundred twenty-one billion, three hundred forty-one million, forty-six thousand, six hundred fifty-five".