16409963242 has 4 divisors (see below), whose sum is σ = 24614944866. Its totient is φ = 8204981620.

The previous prime is 16409963233. The next prime is 16409963257. The reversal of 16409963242 is 24236990461.

16409963242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 11957203801 + 4452759441 = 109349^2 + 66729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16409963192 and 16409963201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4102490809 + ... + 4102490812.

Almost surely, 2^16409963242 is an apocalyptic number.

16409963242 is a deficient number, since it is larger than the sum of its proper divisors (8204981624).

16409963242 is an equidigital number, since it uses as much as digits as its factorization.

16409963242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204981623.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 16409963242 in words is "sixteen billion, four hundred nine million, nine hundred sixty-three thousand, two hundred forty-two".