63447873352 has 32 divisors (see below), whose sum is σ = 122879808000. Its totient is φ = 30681216000.

The previous prime is 63447873343. The next prime is 63447873361. The reversal of 63447873352 is 25337874436.

It is an interprime number because it is at equal distance from previous prime (63447873343) and next prime (63447873361).

It is a self number, because there is not a number n which added to its sum of digits gives 63447873352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317149 + ... + 476947.

It is an arithmetic number, because the mean of its divisors is an integer number (3839994000).

Almost surely, 2^63447873352 is an apocalyptic number.

63447873352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

63447873352 is a deficient number, since it is larger than the sum of its proper divisors (59431934648).

63447873352 is a wasteful number, since it uses less digits than its factorization.

63447873352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161437 (or 161433 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 52.

The spelling of 63447873352 in words is "sixty-three billion, four hundred forty-seven million, eight hundred seventy-three thousand, three hundred fifty-two".