418482668431 has 4 divisors (see below), whose sum is σ = 418747700200. Its totient is φ = 418217636664.

The previous prime is 418482668423. The next prime is 418482668453. The reversal of 418482668431 is 134866284814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134866284814 = 2 ⋅67433142407.

It is a cyclic number.

It is not a de Polignac number, because 418482668431 - 2³ = 418482668423 is a prime.

It is a super-2 number, since 2×418482668431² (a number of 24 digits) 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 (418482662431) 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, 132513516 + ... + 132516673.

It is an arithmetic number, because the mean of its divisors is an integer number (104686925050).

Almost surely, 2^418482668431 is an apocalyptic number.

418482668431 is a deficient number, since it is larger than the sum of its proper divisors (265031769).

418482668431 is a wasteful number, since it uses less digits than its factorization.

418482668431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265031768.

The product of its digits is 7077888, while the sum is 55.

The spelling of 418482668431 in words is "four hundred eighteen billion, four hundred eighty-two million, six hundred sixty-eight thousand, four hundred thirty-one".