421767435005 has 16 divisors (see below), whose sum is σ = 594056991360. Its totient is φ = 281395415232.

The previous prime is 421767434983. The next prime is 421767435013. The reversal of 421767435005 is 500534767124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 421767435005 - 2¹⁶ = 421767369469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162843275 + ... + 162845864.

It is an arithmetic number, because the mean of its divisors is an integer number (37128561960).

Almost surely, 2^421767435005 is an apocalyptic number.

It is an amenable number.

421767435005 is a deficient number, since it is larger than the sum of its proper divisors (172289556355).

421767435005 is a wasteful number, since it uses less digits than its factorization.

421767435005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325689188.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 421767435005 in words is "four hundred twenty-one billion, seven hundred sixty-seven million, four hundred thirty-five thousand, five".