421648723562 has 8 divisors (see below), whose sum is σ = 689970638592. Its totient is φ = 191658510700.

The previous prime is 421648723493. The next prime is 421648723571. The reversal of 421648723562 is 265327846124.

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

It is a self number, because there is not a number n which added to its sum of digits gives 421648723562.

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, 9582925514 + ... + 9582925557.

It is an arithmetic number, because the mean of its divisors is an integer number (86246329824).

Almost surely, 2^421648723562 is an apocalyptic number.

421648723562 is a deficient number, since it is larger than the sum of its proper divisors (268321915030).

421648723562 is a wasteful number, since it uses less digits than its factorization.

421648723562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165851084.

The product of its digits is 3870720, while the sum is 50.

The spelling of 421648723562 in words is "four hundred twenty-one billion, six hundred forty-eight million, seven hundred twenty-three thousand, five hundred sixty-two".