468216509897 has 16 divisors (see below), whose sum is σ = 512887833360. Its totient is φ = 425450446848.

The previous prime is 468216509869. The next prime is 468216509923. The reversal of 468216509897 is 798905612864.

It can be written as a sum of positive squares in 8 ways, for example, as 109674231241 + 358542278656 = 331171^2 + 598784^2 .

It is a cyclic number.

It is not a de Polignac number, because 468216509897 - 2⁸ = 468216509641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468216509837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12245273 + ... + 12283449.

It is an arithmetic number, because the mean of its divisors is an integer number (32055489585).

Almost surely, 2^468216509897 is an apocalyptic number.

It is an amenable number.

468216509897 is a deficient number, since it is larger than the sum of its proper divisors (44671323463).

468216509897 is a wasteful number, since it uses less digits than its factorization.

468216509897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63100.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 468216509897 in words is "four hundred sixty-eight billion, two hundred sixteen million, five hundred nine thousand, eight hundred ninety-seven".