2094888391 has 4 divisors (see below), whose sum is σ = 2104816984. Its totient is φ = 2084959800.

The previous prime is 2094888343. The next prime is 2094888431. The reversal of 2094888391 is 1938884902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2094888391 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 (2094888791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4963980 + ... + 4964401.

It is an arithmetic number, because the mean of its divisors is an integer number (526204246).

Almost surely, 2^2094888391 is an apocalyptic number.

2094888391 is a deficient number, since it is larger than the sum of its proper divisors (9928593).

2094888391 is an equidigital number, since it uses as much as digits as its factorization.

2094888391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928592.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 2094888391 is about 45769.9507428182. The cubic root of 2094888391 is about 1279.5393017752.

The spelling of 2094888391 in words is "two billion, ninety-four million, eight hundred eighty-eight thousand, three hundred ninety-one".