421751552774 has 8 divisors (see below), whose sum is σ = 665923504440. Its totient is φ = 199777051296.

The previous prime is 421751552743. The next prime is 421751552801. The reversal of 421751552774 is 477255157124.

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

It is a congruent number.

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, 5549362499 + ... + 5549362574.

It is an arithmetic number, because the mean of its divisors is an integer number (83240438055).

Almost surely, 2^421751552774 is an apocalyptic number.

421751552774 is a deficient number, since it is larger than the sum of its proper divisors (244171951666).

421751552774 is a wasteful number, since it uses less digits than its factorization.

421751552774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11098725094.

The product of its digits is 2744000, while the sum is 50.

The spelling of 421751552774 in words is "four hundred twenty-one billion, seven hundred fifty-one million, five hundred fifty-two thousand, seven hundred seventy-four".