468218431 has 4 divisors (see below), whose sum is σ = 471200872. Its totient is φ = 465235992.

The previous prime is 468218419. The next prime is 468218449. The reversal of 468218431 is 134812864.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 468218431 - 2¹¹ = 468216383 is a prime.

It is a super-2 number, since 2×468218431² = 438456998256203522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468218731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490985 + ... + 1491298.

It is an arithmetic number, because the mean of its divisors is an integer number (117800218).

Almost surely, 2^468218431 is an apocalyptic number.

468218431 is a deficient number, since it is larger than the sum of its proper divisors (2982441).

468218431 is a wasteful number, since it uses less digits than its factorization.

468218431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982440.

The product of its digits is 36864, while the sum is 37.

The square root of 468218431 is about 21638.3555521209. The cubic root of 468218431 is about 776.5143783599.

The spelling of 468218431 in words is "four hundred sixty-eight million, two hundred eighteen thousand, four hundred thirty-one".