451918781314 has 32 divisors (see below), whose sum is σ = 910158109056. Its totient is φ = 162528232320.

The previous prime is 451918781297. The next prime is 451918781381. The reversal of 451918781314 is 413187819154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112864827 + ... + 112868830.

It is an arithmetic number, because the mean of its divisors is an integer number (28442440908).

Almost surely, 2^451918781314 is an apocalyptic number.

451918781314 is an abundant number, since it is smaller than the sum of its proper divisors (458239327742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451918781314 is a wasteful number, since it uses less digits than its factorization.

451918781314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225733690.

The product of its digits is 967680, while the sum is 52.

The spelling of 451918781314 in words is "four hundred fifty-one billion, nine hundred eighteen million, seven hundred eighty-one thousand, three hundred fourteen".