6463196913646 has 24 divisors (see below), whose sum is σ = 10657360750680. Its totient is φ = 2937514052880.

The previous prime is 6463196913643. The next prime is 6463196913653.

6463196913646 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463196913643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985680 + ... + 3727996.

It is an arithmetic number, because the mean of its divisors is an integer number (444056697945).

Almost surely, 2^{6463196913646} is an apocalyptic number.

6463196913646 is a deficient number, since it is larger than the sum of its proper divisors (4194163837034).

6463196913646 is a wasteful number, since it uses less digits than its factorization.

6463196913646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752080 (or 2752069 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 64.

The spelling of 6463196913646 in words is "six trillion, four hundred sixty-three billion, one hundred ninety-six million, nine hundred thirteen thousand, six hundred forty-six".