420933897688 has 16 divisors (see below), whose sum is σ = 789259239360. Its totient is φ = 210464767200.

The previous prime is 420933897667. The next prime is 420933897793. The reversal of 420933897688 is 886798339024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791673 + ... + 1211863.

It is an arithmetic number, because the mean of its divisors is an integer number (49328702460).

Almost surely, 2^420933897688 is an apocalyptic number.

It is an amenable number.

420933897688 is a deficient number, since it is larger than the sum of its proper divisors (368325341672).

420933897688 is a wasteful number, since it uses less digits than its factorization.

420933897688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545418 (or 545414 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 67.

The spelling of 420933897688 in words is "four hundred twenty billion, nine hundred thirty-three million, eight hundred ninety-seven thousand, six hundred eighty-eight".