6463268387958 has 16 divisors (see below), whose sum is σ = 12927135513600. Its totient is φ = 2154323006376.

The previous prime is 6463268387951. The next prime is 6463268387959. The reversal of 6463268387958 is 8597838623646.

It is a self number, because there is not a number n which added to its sum of digits gives 6463268387958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463268387951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24807010 + ... + 25066197.

It is an arithmetic number, because the mean of its divisors is an integer number (807945969600).

Almost surely, 2^{6463268387958} is an apocalyptic number.

6463268387958 is an abundant number, since it is smaller than the sum of its proper divisors (6463867125642).

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

6463268387958 is a wasteful number, since it uses less digits than its factorization.

6463268387958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49894811.

The product of its digits is 2508226560, while the sum is 75.

The spelling of 6463268387958 in words is "six trillion, four hundred sixty-three billion, two hundred sixty-eight million, three hundred eighty-seven thousand, nine hundred fifty-eight".