16949753 has 4 divisors (see below), whose sum is σ = 16972788. Its totient is φ = 16926720.

The previous prime is 16949711. The next prime is 16949773. The reversal of 16949753 is 35794961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35794961 = 29 ⋅1234309.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 16908544 = 203^2 + 4112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16949753 is a prime.

It is a super-2 number, since 2×16949753² = 574588253522018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16949773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10376 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (4243197).

Almost surely, 2^16949753 is an apocalyptic number.

It is an amenable number.

16949753 is a deficient number, since it is larger than the sum of its proper divisors (23035).

16949753 is an equidigital number, since it uses as much as digits as its factorization.

16949753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23034.

The product of its digits is 204120, while the sum is 44.

The square root of 16949753 is about 4117.0077726427. The cubic root of 16949753 is about 256.8745773264.

The spelling of 16949753 in words is "sixteen million, nine hundred forty-nine thousand, seven hundred fifty-three".