2817162493 has 4 divisors (see below), whose sum is σ = 2818339200. Its totient is φ = 2815985788.

The previous prime is 2817162473. The next prime is 2817162533. The reversal of 2817162493 is 3942617182.

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.

It is a cyclic number.

It is not a de Polignac number, because 2817162493 - 2⁵ = 2817162461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2817162473) 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, 584755 + ... + 589552.

It is an arithmetic number, because the mean of its divisors is an integer number (704584800).

Almost surely, 2^2817162493 is an apocalyptic number.

It is an amenable number.

2817162493 is a deficient number, since it is larger than the sum of its proper divisors (1176707).

2817162493 is a wasteful number, since it uses less digits than its factorization.

2817162493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176706.

The product of its digits is 145152, while the sum is 43.

The square root of 2817162493 is about 53076.9487913539. The cubic root of 2817162493 is about 1412.3336258266. Note that the first 3 decimals are identical.

The spelling of 2817162493 in words is "two billion, eight hundred seventeen million, one hundred sixty-two thousand, four hundred ninety-three".