16949273213 has 16 divisors (see below), whose sum is σ = 17803558080. Its totient is φ = 16114283136.

The previous prime is 16949273197. The next prime is 16949273233. The reversal of 16949273213 is 31237294961.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16949273213 - 2⁴ = 16949273197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949273233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727481 + ... + 750417.

It is an arithmetic number, because the mean of its divisors is an integer number (1112722380).

Almost surely, 2^16949273213 is an apocalyptic number.

It is an amenable number.

16949273213 is a deficient number, since it is larger than the sum of its proper divisors (854284867).

16949273213 is a wasteful number, since it uses less digits than its factorization.

16949273213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356.

The product of its digits is 489888, while the sum is 47.

The spelling of 16949273213 in words is "sixteen billion, nine hundred forty-nine million, two hundred seventy-three thousand, two hundred thirteen".