16034744749 has 4 divisors (see below), whose sum is σ = 16193504700. Its totient is φ = 15875984800.

The previous prime is 16034744741. The next prime is 16034744753. The reversal of 16034744749 is 94744743061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94744743061 = 2111 ⋅44881451.

It can be written as a sum of positive squares in 2 ways, for example, as 15507720900 + 527023849 = 124530^2 + 22957^2 .

It is a cyclic number.

It is not a de Polignac number, because 16034744749 - 2³ = 16034744741 is a prime.

It is a super-2 number, since 2×16034744749² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16034744741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79379824 + ... + 79380025.

It is an arithmetic number, because the mean of its divisors is an integer number (4048376175).

Almost surely, 2^16034744749 is an apocalyptic number.

It is an amenable number.

16034744749 is a deficient number, since it is larger than the sum of its proper divisors (158759951).

16034744749 is a wasteful number, since it uses less digits than its factorization.

16034744749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158759950.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 16034744749 in words is "sixteen billion, thirty-four million, seven hundred forty-four thousand, seven hundred forty-nine".