63804325781458 has 16 divisors (see below), whose sum is σ = 97743034782720. Its totient is φ = 31223317490656.

The previous prime is 63804325781407. The next prime is 63804325781461. The reversal of 63804325781458 is 85418752340836.

It is a self number, because there is not a number n which added to its sum of digits gives 63804325781458.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71840223 + ... + 72722941.

It is an arithmetic number, because the mean of its divisors is an integer number (6108939673920).

Almost surely, 2^{63804325781458} is an apocalyptic number.

63804325781458 is a deficient number, since it is larger than the sum of its proper divisors (33938709001262).

63804325781458 is a wasteful number, since it uses less digits than its factorization.

63804325781458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651721.

The product of its (nonzero) digits is 154828800, while the sum is 64.

The spelling of 63804325781458 in words is "sixty-three trillion, eight hundred four billion, three hundred twenty-five million, seven hundred eighty-one thousand, four hundred fifty-eight".