63499802971 has 8 divisors (see below), whose sum is σ = 71507109888. Its totient is φ = 55864929000.

The previous prime is 63499802969. The next prime is 63499802987. The reversal of 63499802971 is 17920899436.

63499802971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 63499802971 - 2¹ = 63499802969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63491802971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93107875 + ... + 93108556.

It is an arithmetic number, because the mean of its divisors is an integer number (8938388736).

Almost surely, 2^63499802971 is an apocalyptic number.

63499802971 is a deficient number, since it is larger than the sum of its proper divisors (8007306917).

63499802971 is a wasteful number, since it uses less digits than its factorization.

63499802971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186216473.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 63499802971 in words is "sixty-three billion, four hundred ninety-nine million, eight hundred two thousand, nine hundred seventy-one".