65414223464836 has 81 divisors (see below), whose sum is σ = 119654997102669. Its totient is φ = 31290490732800.

The previous prime is 65414223464801. The next prime is 65414223464851. The reversal of 65414223464836 is 63846432241456.

The square root of 65414223464836 is 8087906.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 59608745248900 + 5805478215936 = 7720670^2 + 2409456^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35150038546 + ... + 35150040406.

Almost surely, 2^{65414223464836} is an apocalyptic number.

65414223464836 is the 8087906-th square number.

It is an amenable number.

65414223464836 is a deficient number, since it is larger than the sum of its proper divisors (54240773637833).

65414223464836 is an frugal number, since it uses more digits than its factorization.

65414223464836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914 (or 1957 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 58.

The spelling of 65414223464836 in words is "sixty-five trillion, four hundred fourteen billion, two hundred twenty-three million, four hundred sixty-four thousand, eight hundred thirty-six".