16263952959 has 4 divisors (see below), whose sum is σ = 21685270616. Its totient is φ = 10842635304.

The previous prime is 16263952891. The next prime is 16263952973. The reversal of 16263952959 is 95925936261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-16263952959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16263952899 and 16263952908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16263952979) 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 3 ways as a sum of consecutive naturals, for example, 2710658824 + ... + 2710658829.

It is an arithmetic number, because the mean of its divisors is an integer number (5421317654).

Almost surely, 2^16263952959 is an apocalyptic number.

16263952959 is a deficient number, since it is larger than the sum of its proper divisors (5421317657).

16263952959 is an equidigital number, since it uses as much as digits as its factorization.

16263952959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421317656.

The product of its digits is 7873200, while the sum is 57.

The spelling of 16263952959 in words is "sixteen billion, two hundred sixty-three million, nine hundred fifty-two thousand, nine hundred fifty-nine".