10949658191 has 8 divisors (see below), whose sum is σ = 10983338544. Its totient is φ = 10916009280.

The previous prime is 10949658113. The next prime is 10949658199. The reversal of 10949658191 is 19185694901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10949658191 - 2¹⁸ = 10949396047 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 (10949658199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820331 + ... + 833571.

It is an arithmetic number, because the mean of its divisors is an integer number (1372917318).

Almost surely, 2^10949658191 is an apocalyptic number.

10949658191 is a deficient number, since it is larger than the sum of its proper divisors (33680353).

10949658191 is a wasteful number, since it uses less digits than its factorization.

10949658191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15721.

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 10949658191 in words is "ten billion, nine hundred forty-nine million, six hundred fifty-eight thousand, one hundred ninety-one".