63806380946 has 32 divisors (see below), whose sum is σ = 120507696000. Its totient is φ = 24613488000.

The previous prime is 63806380933. The next prime is 63806380961. The reversal of 63806380946 is 64908360836.

63806380946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035571 + ... + 2066678.

It is an arithmetic number, because the mean of its divisors is an integer number (3765865500).

Almost surely, 2^63806380946 is an apocalyptic number.

63806380946 is a deficient number, since it is larger than the sum of its proper divisors (56701315054).

63806380946 is a wasteful number, since it uses less digits than its factorization.

63806380946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102370.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 63806380946 in words is "sixty-three billion, eight hundred six million, three hundred eighty thousand, nine hundred forty-six".