421342747706 has 8 divisors (see below), whose sum is σ = 632019330624. Its totient is φ = 210669637500.

The previous prime is 421342747633. The next prime is 421342747717. The reversal of 421342747706 is 607747243124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×421342747706² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 540050 + ... + 1065053.

It is an arithmetic number, because the mean of its divisors is an integer number (79002416328).

Almost surely, 2^421342747706 is an apocalyptic number.

421342747706 is a deficient number, since it is larger than the sum of its proper divisors (210676582918).

421342747706 is a wasteful number, since it uses less digits than its factorization.

421342747706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736356.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 421342747706 in words is "four hundred twenty-one billion, three hundred forty-two million, seven hundred forty-seven thousand, seven hundred six".