63401855466 has 8 divisors (see below), whose sum is σ = 126803710944. Its totient is φ = 21133951820.

The previous prime is 63401855449. The next prime is 63401855467. The reversal of 63401855466 is 66455810436.

63401855466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

63401855466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63401855467) 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, 5283487950 + ... + 5283487961.

It is an arithmetic number, because the mean of its divisors is an integer number (15850463868).

Almost surely, 2^63401855466 is an apocalyptic number.

63401855466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63401855466 is a wasteful number, since it uses less digits than its factorization.

63401855466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10566975916.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 63401855466 in words is "sixty-three billion, four hundred one million, eight hundred fifty-five thousand, four hundred sixty-six".