421463994585 has 32 divisors (see below), whose sum is σ = 677512788480. Its totient is φ = 223726418688.

The previous prime is 421463994583. The next prime is 421463994587. The reversal of 421463994585 is 585499364124.

It is an interprime number because it is at equal distance from previous prime (421463994583) and next prime (421463994587).

It is not a de Polignac number, because 421463994585 - 2¹ = 421463994583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421463994583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2726839 + ... + 2877251.

It is an arithmetic number, because the mean of its divisors is an integer number (21172274640).

Almost surely, 2^421463994585 is an apocalyptic number.

It is an amenable number.

421463994585 is a deficient number, since it is larger than the sum of its proper divisors (256048793895).

421463994585 is a wasteful number, since it uses less digits than its factorization.

421463994585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151297.

The product of its digits is 37324800, while the sum is 60.

The spelling of 421463994585 in words is "four hundred twenty-one billion, four hundred sixty-three million, nine hundred ninety-four thousand, five hundred eighty-five".