421335280785 has 8 divisors (see below), whose sum is σ = 674136449280. Its totient is φ = 224712149744.

The previous prime is 421335280763. The next prime is 421335280799. The reversal of 421335280785 is 587082533124.

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

It is a cyclic number.

It is not a de Polignac number, because 421335280785 - 2¹⁴ = 421335264401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14044509345 + ... + 14044509374.

It is an arithmetic number, because the mean of its divisors is an integer number (84267056160).

Almost surely, 2^421335280785 is an apocalyptic number.

It is an amenable number.

421335280785 is a deficient number, since it is larger than the sum of its proper divisors (252801168495).

421335280785 is a wasteful number, since it uses less digits than its factorization.

421335280785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28089018727.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 421335280785 in words is "four hundred twenty-one billion, three hundred thirty-five million, two hundred eighty thousand, seven hundred eighty-five".