2926891091 has 6 divisors (see below), whose sum is σ = 3031299492. Its totient is φ = 2825963000.

The previous prime is 2926891087. The next prime is 2926891111. The reversal of 2926891091 is 1901986292.

2926891091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2926891091 - 2² = 2926891087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2926891061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1739285 + ... + 1740966.

It is an arithmetic number, because the mean of its divisors is an integer number (505216582).

Almost surely, 2^2926891091 is an apocalyptic number.

2926891091 is a deficient number, since it is larger than the sum of its proper divisors (104408401).

2926891091 is an equidigital number, since it uses as much as digits as its factorization.

2926891091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480309 (or 3480280 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 2926891091 is about 54100.7494495224. The cubic root of 2926891091 is about 1430.4373922422.

The spelling of 2926891091 in words is "two billion, nine hundred twenty-six million, eight hundred ninety-one thousand, ninety-one".