63643457036 has 12 divisors (see below), whose sum is σ = 111412744128. Its totient is φ = 31811244432.

The previous prime is 63643457011. The next prime is 63643457093. The reversal of 63643457036 is 63075434636.

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, 2607356 + ... + 2631651.

It is an arithmetic number, because the mean of its divisors is an integer number (9284395344).

Almost surely, 2^63643457036 is an apocalyptic number.

It is an amenable number.

63643457036 is a deficient number, since it is larger than the sum of its proper divisors (47769287092).

63643457036 is a wasteful number, since it uses less digits than its factorization.

63643457036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242048 (or 5242046 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 47.

The spelling of 63643457036 in words is "sixty-three billion, six hundred forty-three million, four hundred fifty-seven thousand, thirty-six".