16495049471 has 4 divisors (see below), whose sum is σ = 16536599112. Its totient is φ = 16453499832.

The previous prime is 16495049419. The next prime is 16495049503. The reversal of 16495049471 is 17494059461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17494059461 = 3469 ⋅5042969.

It is a cyclic number.

It is not a de Polignac number, because 16495049471 - 2¹⁸ = 16494787327 is a prime.

It is a super-3 number, since 3×16495049471³ (a number of 32 digits) contains 333 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 (16495049401) 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, 20774225 + ... + 20775018.

It is an arithmetic number, because the mean of its divisors is an integer number (4134149778).

Almost surely, 2^16495049471 is an apocalyptic number.

16495049471 is a deficient number, since it is larger than the sum of its proper divisors (41549641).

16495049471 is an equidigital number, since it uses as much as digits as its factorization.

16495049471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41549640.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 16495049471 in words is "sixteen billion, four hundred ninety-five million, forty-nine thousand, four hundred seventy-one".