2453945194 has 8 divisors (see below), whose sum is σ = 3689918820. Its totient is φ = 1223972256.

The previous prime is 2453945173. The next prime is 2453945203. The reversal of 2453945194 is 4915493542.

It can be written as a sum of positive squares in 2 ways, for example, as 2427040225 + 26904969 = 49265^2 + 5187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499149 + ... + 1500784.

Almost surely, 2^2453945194 is an apocalyptic number.

2453945194 is a deficient number, since it is larger than the sum of its proper divisors (1235973626).

2453945194 is a wasteful number, since it uses less digits than its factorization.

2453945194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000344.

The product of its digits is 777600, while the sum is 46.

The square root of 2453945194 is about 49537.3111300967. The cubic root of 2453945194 is about 1348.8229693197.

The spelling of 2453945194 in words is "two billion, four hundred fifty-three million, nine hundred forty-five thousand, one hundred ninety-four".