16463493513 has 16 divisors (see below), whose sum is σ = 24576552000. Its totient is φ = 10891876320.

The previous prime is 16463493503. The next prime is 16463493569. The reversal of 16463493513 is 31539436461.

It is a happy number.

16463493513 is a `hidden beast` number, since 1 + 6 + 4 + 634 + 9 + 3 + 5 + 1 + 3 = 666.

It is not a de Polignac number, because 16463493513 - 2¹⁰ = 16463492489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16463493503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2323788 + ... + 2330861.

It is an arithmetic number, because the mean of its divisors is an integer number (1536034500).

Almost surely, 2^16463493513 is an apocalyptic number.

It is an amenable number.

16463493513 is a deficient number, since it is larger than the sum of its proper divisors (8113058487).

16463493513 is a wasteful number, since it uses less digits than its factorization.

16463493513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654789 (or 4654783 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 16463493513 in words is "sixteen billion, four hundred sixty-three million, four hundred ninety-three thousand, five hundred thirteen".