6463381352 has 8 divisors (see below), whose sum is σ = 12118840050. Its totient is φ = 3231690672.

The previous prime is 6463381349. The next prime is 6463381361. The reversal of 6463381352 is 2531833646.

It can be written as a sum of positive squares in only one way, i.e., 3411260836 + 3052120516 = 58406^2 + 55246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403961327 + ... + 403961342.

Almost surely, 2^6463381352 is an apocalyptic number.

It is an amenable number.

6463381352 is a deficient number, since it is larger than the sum of its proper divisors (5655458698).

6463381352 is a wasteful number, since it uses less digits than its factorization.

6463381352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807922675 (or 807922671 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 6463381352 is about 80395.1575158604. The cubic root of 6463381352 is about 1862.7443736344.

The spelling of 6463381352 in words is "six billion, four hundred sixty-three million, three hundred eighty-one thousand, three hundred fifty-two".