10939550291 has 2 divisors, whose sum is σ = 10939550292. Its totient is φ = 10939550290.

The previous prime is 10939550287. The next prime is 10939550309. The reversal of 10939550291 is 19205593901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10939550291 - 2² = 10939550287 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10939550261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469775145 + 5469775146.

It is an arithmetic number, because the mean of its divisors is an integer number (5469775146).

Almost surely, 2^10939550291 is an apocalyptic number.

10939550291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10939550291 is an equidigital number, since it uses as much as digits as its factorization.

10939550291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 44.

The spelling of 10939550291 in words is "ten billion, nine hundred thirty-nine million, five hundred fifty thousand, two hundred ninety-one".