63631664083 has 4 divisors (see below), whose sum is σ = 68526407488. Its totient is φ = 58736920680.

The previous prime is 63631664081. The next prime is 63631664101. The reversal of 63631664083 is 38046613636.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63631664083 - 2¹ = 63631664081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63631664081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2447371683 + ... + 2447371708.

It is an arithmetic number, because the mean of its divisors is an integer number (17131601872).

Almost surely, 2^63631664083 is an apocalyptic number.

63631664083 is a deficient number, since it is larger than the sum of its proper divisors (4894743405).

63631664083 is a wasteful number, since it uses less digits than its factorization.

63631664083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894743404.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 63631664083 in words is "sixty-three billion, six hundred thirty-one million, six hundred sixty-four thousand, eighty-three".