421433466718 has 32 divisors (see below), whose sum is σ = 690750789120. Its totient is φ = 191246352000.

The previous prime is 421433466709. The next prime is 421433466721. The reversal of 421433466718 is 817664334124.

It is a super-2 number, since 2×421433466718² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49981963 + ... + 49990393.

It is an arithmetic number, because the mean of its divisors is an integer number (21585962160).

Almost surely, 2^421433466718 is an apocalyptic number.

421433466718 is a deficient number, since it is larger than the sum of its proper divisors (269317322402).

421433466718 is a wasteful number, since it uses less digits than its factorization.

421433466718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11904.

The product of its digits is 2322432, while the sum is 49.

The spelling of 421433466718 in words is "four hundred twenty-one billion, four hundred thirty-three million, four hundred sixty-six thousand, seven hundred eighteen".