2094875921 has 2 divisors, whose sum is σ = 2094875922. Its totient is φ = 2094875920.

The previous prime is 2094875917. The next prime is 2094875957. The reversal of 2094875921 is 1295784902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1514065921 + 580810000 = 38911^2 + 24100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2094875921 - 2² = 2094875917 is a prime.

It is not a weakly prime, because it can be changed into another prime (2094875911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047437960 + 1047437961.

It is an arithmetic number, because the mean of its divisors is an integer number (1047437961).

Almost surely, 2^2094875921 is an apocalyptic number.

It is an amenable number.

2094875921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2094875921 is an equidigital number, since it uses as much as digits as its factorization.

2094875921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 2094875921 is about 45769.8145178676. The cubic root of 2094875921 is about 1279.5367629149.

It can be divided in two parts, 20948 and 75921, that added together give a palindrome (96869).

The spelling of 2094875921 in words is "two billion, ninety-four million, eight hundred seventy-five thousand, nine hundred twenty-one".