16038763813 has 4 divisors (see below), whose sum is σ = 16039225440. Its totient is φ = 16038302188.

The previous prime is 16038763799. The next prime is 16038763817. The reversal of 16038763813 is 31836783061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16038763813 - 2³³ = 7448829221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16038763817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174043 + ... + 249736.

It is an arithmetic number, because the mean of its divisors is an integer number (4009806360).

Almost surely, 2^16038763813 is an apocalyptic number.

It is an amenable number.

16038763813 is a deficient number, since it is larger than the sum of its proper divisors (461627).

16038763813 is an equidigital number, since it uses as much as digits as its factorization.

16038763813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461626.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 16038763813 in words is "sixteen billion, thirty-eight million, seven hundred sixty-three thousand, eight hundred thirteen".