16839737249 has 4 divisors (see below), whose sum is σ = 17052898560. Its totient is φ = 16626575940.

The previous prime is 16839737237. The next prime is 16839737269. The reversal of 16839737249 is 94273793861.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94273793861 = 13 ⋅7251830297.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16839737249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16839737269) 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, 106580537 + ... + 106580694.

It is an arithmetic number, because the mean of its divisors is an integer number (4263224640).

Almost surely, 2^16839737249 is an apocalyptic number.

It is an amenable number.

16839737249 is a deficient number, since it is larger than the sum of its proper divisors (213161311).

16839737249 is an equidigital number, since it uses as much as digits as its factorization.

16839737249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213161310.

The product of its digits is 13716864, while the sum is 59.

The spelling of 16839737249 in words is "sixteen billion, eight hundred thirty-nine million, seven hundred thirty-seven thousand, two hundred forty-nine".