4531681236486 has 16 divisors (see below), whose sum is σ = 9284420094768. Its totient is φ = 1473717475200.

The previous prime is 4531681236479. The next prime is 4531681236499. The reversal of 4531681236486 is 6846321861354.

It is a super-2 number, since 2×4531681236486² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 9210733975 + ... + 9210734466.

It is an arithmetic number, because the mean of its divisors is an integer number (580276255923).

Almost surely, 2^{4531681236486} is an apocalyptic number.

4531681236486 is an abundant number, since it is smaller than the sum of its proper divisors (4752738858282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4531681236486 is a wasteful number, since it uses less digits than its factorization.

4531681236486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421468487.

The product of its digits is 19906560, while the sum is 57.

The spelling of 4531681236486 in words is "four trillion, five hundred thirty-one billion, six hundred eighty-one million, two hundred thirty-six thousand, four hundred eighty-six".