421472683555 has 128 divisors (see below), whose sum is σ = 673012924416. Its totient is φ = 245625177600.

The previous prime is 421472683553. The next prime is 421472683559. The reversal of 421472683555 is 555386274124.

It is not a de Polignac number, because 421472683555 - 2¹ = 421472683553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421472683553) 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 127 ways as a sum of consecutive naturals, for example, 88042872 + ... + 88047658.

It is an arithmetic number, because the mean of its divisors is an integer number (5257913472).

Almost surely, 2^421472683555 is an apocalyptic number.

421472683555 is a deficient number, since it is larger than the sum of its proper divisors (251540240861).

421472683555 is a wasteful number, since it uses less digits than its factorization.

421472683555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057.

The product of its digits is 8064000, while the sum is 52.

The spelling of 421472683555 in words is "four hundred twenty-one billion, four hundred seventy-two million, six hundred eighty-three thousand, five hundred fifty-five".