2094278653 has 4 divisors (see below), whose sum is σ = 2095992288. Its totient is φ = 2092565020.

The previous prime is 2094278521. The next prime is 2094278663. The reversal of 2094278653 is 3568724902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3568724902 = 2 ⋅1784362451.

It is a cyclic number.

It is not a de Polignac number, because 2094278653 - 2⁹ = 2094278141 is a prime.

It is a super-2 number, since 2×2094278653² = 8772006152822988818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2094278663) 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, 854983 + ... + 857428.

It is an arithmetic number, because the mean of its divisors is an integer number (523998072).

Almost surely, 2^2094278653 is an apocalyptic number.

It is an amenable number.

2094278653 is a deficient number, since it is larger than the sum of its proper divisors (1713635).

2094278653 is a wasteful number, since it uses less digits than its factorization.

2094278653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713634.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 2094278653 is about 45763.2893594855. The cubic root of 2094278653 is about 1279.4151488698.

The spelling of 2094278653 in words is "two billion, ninety-four million, two hundred seventy-eight thousand, six hundred fifty-three".