427651376994 has 24 divisors (see below), whose sum is σ = 926590129920. Its totient is φ = 142548590328.

The previous prime is 427651376989. The next prime is 427651377011. The reversal of 427651376994 is 499673156724.

427651376994 is a `hidden beast` number, since 4 + 27 + 6 + 513 + 7 + 6 + 9 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2315119 + ... + 2493005.

It is an arithmetic number, because the mean of its divisors is an integer number (38607922080).

Almost surely, 2^427651376994 is an apocalyptic number.

427651376994 is an abundant number, since it is smaller than the sum of its proper divisors (498938752926).

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

427651376994 is a wasteful number, since it uses less digits than its factorization.

427651376994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311454 (or 311451 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 427651376994 in words is "four hundred twenty-seven billion, six hundred fifty-one million, three hundred seventy-six thousand, nine hundred ninety-four".