2494663809 has 8 divisors (see below), whose sum is σ = 3628601952. Its totient is φ = 1511917440.

The previous prime is 2494663777. The next prime is 2494663841. The reversal of 2494663809 is 9083664942.

It is an interprime number because it is at equal distance from previous prime (2494663777) and next prime (2494663841).

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

It is not a de Polignac number, because 2494663809 - 2⁵ = 2494663777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2494663849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37797904 + ... + 37797969.

It is an arithmetic number, because the mean of its divisors is an integer number (453575244).

Almost surely, 2^2494663809 is an apocalyptic number.

It is an amenable number.

2494663809 is a deficient number, since it is larger than the sum of its proper divisors (1133938143).

2494663809 is a wasteful number, since it uses less digits than its factorization.

2494663809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75595887.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The square root of 2494663809 is about 49946.6095846355. The cubic root of 2494663809 is about 1356.2424770435.

The spelling of 2494663809 in words is "two billion, four hundred ninety-four million, six hundred sixty-three thousand, eight hundred nine".