421065545100 has 36 divisors (see below), whose sum is σ = 1218282978024. Its totient is φ = 112284145280.

The previous prime is 421065545077. The next prime is 421065545137. The reversal of 421065545100 is 1545560124.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 701775609 + ... + 701776208.

It is an arithmetic number, because the mean of its divisors is an integer number (33841193834).

Almost surely, 2^421065545100 is an apocalyptic number.

It is an amenable number.

421065545100 is an abundant number, since it is smaller than the sum of its proper divisors (797217432924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421065545100 is a wasteful number, since it uses less digits than its factorization.

421065545100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403551834 (or 1403551827 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 421065545100 in words is "four hundred twenty-one billion, sixty-five million, five hundred forty-five thousand, one hundred".