421600022473 has 16 divisors (see below), whose sum is σ = 507874432000. Its totient is φ = 341888554512.

The previous prime is 421600022453. The next prime is 421600022477. The reversal of 421600022473 is 374220006124.

It is a happy number.

It is not a de Polignac number, because 421600022473 - 2⁹ = 421600021961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421600022477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2046453 + ... + 2243026.

It is an arithmetic number, because the mean of its divisors is an integer number (31742152000).

Almost surely, 2^421600022473 is an apocalyptic number.

It is an amenable number.

421600022473 is a deficient number, since it is larger than the sum of its proper divisors (86274409527).

421600022473 is a wasteful number, since it uses less digits than its factorization.

421600022473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290244.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 421600022473 its reverse (374220006124), we get a palindrome (795820028597).

The spelling of 421600022473 in words is "four hundred twenty-one billion, six hundred million, twenty-two thousand, four hundred seventy-three".