13463729856 has 84 divisors (see below), whose sum is σ = 38973611664. Its totient is φ = 4443456000.

The previous prime is 13463729843. The next prime is 13463729891. The reversal of 13463729856 is 65892736431.

13463729856 is a `hidden beast` number, since 1 + 346 + 3 + 7 + 298 + 5 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57540 + ... + 173891.

Almost surely, 2^13463729856 is an apocalyptic number.

13463729856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13463729856 is an abundant number, since it is smaller than the sum of its proper divisors (25509881808).

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

13463729856 is a wasteful number, since it uses less digits than its factorization.

13463729856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231550 (or 231537 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 13463729856 in words is "thirteen billion, four hundred sixty-three million, seven hundred twenty-nine thousand, eight hundred fifty-six".