2053244194 has 4 divisors (see below), whose sum is σ = 3079866294. Its totient is φ = 1026622096.

The previous prime is 2053244161. The next prime is 2053244261. The reversal of 2053244194 is 4914423502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4914423502 = 2 ⋅2457211751.

It can be written as a sum of positive squares in only one way, i.e., 1157020225 + 896223969 = 34015^2 + 29937^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513311047 + ... + 513311050.

Almost surely, 2^2053244194 is an apocalyptic number.

2053244194 is a deficient number, since it is larger than the sum of its proper divisors (1026622100).

2053244194 is a wasteful number, since it uses less digits than its factorization.

2053244194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026622099.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2053244194 is about 45312.7376573078. The cubic root of 2053244194 is about 1271.0038550760.

Adding to 2053244194 its reverse (4914423502), we get a palindrome (6967667696).

The spelling of 2053244194 in words is "two billion, fifty-three million, two hundred forty-four thousand, one hundred ninety-four".