481138374854 has 4 divisors (see below), whose sum is σ = 721707562284. Its totient is φ = 240569187426.

The previous prime is 481138374851. The next prime is 481138374863. The reversal of 481138374854 is 458473831184.

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

It is a self number, because there is not a number n which added to its sum of digits gives 481138374854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481138374851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120284593712 + ... + 120284593715.

It is an arithmetic number, because the mean of its divisors is an integer number (180426890571).

Almost surely, 2^481138374854 is an apocalyptic number.

481138374854 is a deficient number, since it is larger than the sum of its proper divisors (240569187430).

481138374854 is a wasteful number, since it uses less digits than its factorization.

481138374854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240569187429.

The product of its digits is 10321920, while the sum is 56.

The spelling of 481138374854 in words is "four hundred eighty-one billion, one hundred thirty-eight million, three hundred seventy-four thousand, eight hundred fifty-four".