421342420035554 has 16 divisors (see below), whose sum is σ = 645965389209600. Its totient is φ = 206027632808064.

The previous prime is 421342420035499. The next prime is 421342420035587. The reversal of 421342420035554 is 455530024243124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1752173039 + ... + 1752413490.

It is an arithmetic number, because the mean of its divisors is an integer number (40372836825600).

Almost surely, 2^{421342420035554} is an apocalyptic number.

421342420035554 is a deficient number, since it is larger than the sum of its proper divisors (224622969174046).

421342420035554 is a wasteful number, since it uses less digits than its factorization.

421342420035554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504587857.

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 421342420035554 its reverse (455530024243124), we get a palindrome (876872444278678).

The spelling of 421342420035554 in words is "four hundred twenty-one trillion, three hundred forty-two billion, four hundred twenty million, thirty-five thousand, five hundred fifty-four".