2094213965 has 4 divisors (see below), whose sum is σ = 2513056764. Its totient is φ = 1675371168.

The previous prime is 2094213943. The next prime is 2094213967. The reversal of 2094213965 is 5693124902.

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

It can be written as a sum of positive squares in 2 ways, for example, as 912160804 + 1182053161 = 30202^2 + 34381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2094213965 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2094213967) 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, 209421392 + ... + 209421401.

It is an arithmetic number, because the mean of its divisors is an integer number (628264191).

Almost surely, 2^2094213965 is an apocalyptic number.

It is an amenable number.

2094213965 is a deficient number, since it is larger than the sum of its proper divisors (418842799).

2094213965 is an equidigital number, since it uses as much as digits as its factorization.

2094213965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418842798.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 2094213965 is about 45762.5825866504. The cubic root of 2094213965 is about 1279.4019758919.

The spelling of 2094213965 in words is "two billion, ninety-four million, two hundred thirteen thousand, nine hundred sixty-five".