16113493709 has 4 divisors (see below), whose sum is σ = 16814080416. Its totient is φ = 15412907004.

The previous prime is 16113493703. The next prime is 16113493811. The reversal of 16113493709 is 90739431161.

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: 90739431161 = 79493 ⋅1141477.

It is a cyclic number.

It is not a de Polignac number, because 16113493709 - 2⁸ = 16113493453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16113493709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16113493703) 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, 350293319 + ... + 350293364.

It is an arithmetic number, because the mean of its divisors is an integer number (4203520104).

Almost surely, 2^16113493709 is an apocalyptic number.

It is an amenable number.

16113493709 is a deficient number, since it is larger than the sum of its proper divisors (700586707).

16113493709 is an equidigital number, since it uses as much as digits as its factorization.

16113493709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700586706.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 16113493709 in words is "sixteen billion, one hundred thirteen million, four hundred ninety-three thousand, seven hundred nine".