63645065046 has 24 divisors (see below), whose sum is σ = 137905808040. Its totient is φ = 21213765216.

The previous prime is 63645065009. The next prime is 63645065051. The reversal of 63645065046 is 64056054636.

63645065046 is a `hidden beast` number, since 636 + 4 + 5 + 0 + 6 + 5 + 0 + 4 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 63645064992 and 63645065010.

It is a congruent number.

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, 237970 + ... + 428858.

It is an arithmetic number, because the mean of its divisors is an integer number (5746075335).

Almost surely, 2^63645065046 is an apocalyptic number.

63645065046 is an abundant number, since it is smaller than the sum of its proper divisors (74260742994).

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

63645065046 is a wasteful number, since it uses less digits than its factorization.

63645065046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209420 (or 209417 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 63645065046 in words is "sixty-three billion, six hundred forty-five million, sixty-five thousand, forty-six".