16382406459 has 4 divisors (see below), whose sum is σ = 21843208616. Its totient is φ = 10921604304.

The previous prime is 16382406457. The next prime is 16382406493. The reversal of 16382406459 is 95460428361.

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

It is not a de Polignac number, because 16382406459 - 2¹ = 16382406457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16382406457) 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, 2730401074 + ... + 2730401079.

It is an arithmetic number, because the mean of its divisors is an integer number (5460802154).

Almost surely, 2^16382406459 is an apocalyptic number.

16382406459 is a deficient number, since it is larger than the sum of its proper divisors (5460802157).

16382406459 is an equidigital number, since it uses as much as digits as its factorization.

16382406459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460802156.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 16382406459 in words is "sixteen billion, three hundred eighty-two million, four hundred six thousand, four hundred fifty-nine".