63381526894 has 8 divisors (see below), whose sum is σ = 108654046128. Its totient is φ = 27163511520.

The previous prime is 63381526889. The next prime is 63381526909. The reversal of 63381526894 is 49862518336.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263625947 + ... + 2263625974.

It is an arithmetic number, because the mean of its divisors is an integer number (13581755766).

Almost surely, 2^63381526894 is an apocalyptic number.

63381526894 is a deficient number, since it is larger than the sum of its proper divisors (45272519234).

63381526894 is a wasteful number, since it uses less digits than its factorization.

63381526894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527251930.

The product of its digits is 7464960, while the sum is 55.

The spelling of 63381526894 in words is "sixty-three billion, three hundred eighty-one million, five hundred twenty-six thousand, eight hundred ninety-four".