16239283297 has 4 divisors (see below), whose sum is σ = 16241451156. Its totient is φ = 16237115440.

The previous prime is 16239283279. The next prime is 16239283309. The reversal of 16239283297 is 79238293261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15050137041 + 1189146256 = 122679^2 + 34484^2 .

It is a cyclic number.

It is not a de Polignac number, because 16239283297 - 2²³ = 16230894689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16239283217) 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, 1072654 + ... + 1087687.

It is an arithmetic number, because the mean of its divisors is an integer number (4060362789).

Almost surely, 2^16239283297 is an apocalyptic number.

It is an amenable number.

16239283297 is a deficient number, since it is larger than the sum of its proper divisors (2167859).

16239283297 is an equidigital number, since it uses as much as digits as its factorization.

16239283297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167858.

The product of its digits is 1959552, while the sum is 52.

The spelling of 16239283297 in words is "sixteen billion, two hundred thirty-nine million, two hundred eighty-three thousand, two hundred ninety-seven".