2817380242 has 8 divisors (see below), whose sum is σ = 4232033100. Its totient is φ = 1406702544.

The previous prime is 2817380219. The next prime is 2817380273. The reversal of 2817380242 is 2420837182.

It is a Cunningham number, because it is equal to 53079²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2817380241 + 1 = 53079^2 + 1^2 .

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, 992017 + ... + 994852.

Almost surely, 2^2817380242 is an apocalyptic number.

2817380242 is a deficient number, since it is larger than the sum of its proper divisors (1414652858).

2817380242 is a wasteful number, since it uses less digits than its factorization.

2817380242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987580.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 2817380242 is about 53079.0000094199. Note that the first 5 decimals coincide. The cubic root of 2817380242 is about 1412.3700130675.

The spelling of 2817380242 in words is "two billion, eight hundred seventeen million, three hundred eighty thousand, two hundred forty-two".