2494355691 has 8 divisors (see below), whose sum is σ = 3358736784. Its totient is φ = 1646439200.

The previous prime is 2494355687. The next prime is 2494355737. The reversal of 2494355691 is 1965534942.

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

It is a cyclic number.

It is not a de Polignac number, because 2494355691 - 2² = 2494355687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2494355691.

It is not an unprimeable number, because it can be changed into a prime (2494355671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4115796 + ... + 4116401.

It is an arithmetic number, because the mean of its divisors is an integer number (419842098).

Almost surely, 2^2494355691 is an apocalyptic number.

2494355691 is a deficient number, since it is larger than the sum of its proper divisors (864381093).

2494355691 is a wasteful number, since it uses less digits than its factorization.

2494355691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8232301.

The product of its digits is 1166400, while the sum is 48.

The square root of 2494355691 is about 49943.5250157616. The cubic root of 2494355691 is about 1356.1866378661.

The spelling of 2494355691 in words is "two billion, four hundred ninety-four million, three hundred fifty-five thousand, six hundred ninety-one".