2817490394 has 4 divisors (see below), whose sum is σ = 4226235594. Its totient is φ = 1408745196.

The previous prime is 2817490391. The next prime is 2817490451. The reversal of 2817490394 is 4930947182.

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

It can be written as a sum of positive squares in only one way, i.e., 1711063225 + 1106427169 = 41365^2 + 33263^2 .

It is not an unprimeable number, because it can be changed into a prime (2817490391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704372597 + ... + 704372600.

Almost surely, 2^2817490394 is an apocalyptic number.

2817490394 is a deficient number, since it is larger than the sum of its proper divisors (1408745200).

2817490394 is a wasteful number, since it uses less digits than its factorization.

2817490394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408745199.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2817490394 is about 53080.0376224433. The cubic root of 2817490394 is about 1412.3884194523.

The spelling of 2817490394 in words is "two billion, eight hundred seventeen million, four hundred ninety thousand, three hundred ninety-four".