2491319107 has 8 divisors (see below), whose sum is σ = 2543890896. Its totient is φ = 2439245952.

The previous prime is 2491319087. The next prime is 2491319137. The reversal of 2491319107 is 7019131942.

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 2491319107 - 2¹⁵ = 2491286339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2491319137) 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, 114553 + ... + 134554.

It is an arithmetic number, because the mean of its divisors is an integer number (317986362).

Almost surely, 2^2491319107 is an apocalyptic number.

2491319107 is a deficient number, since it is larger than the sum of its proper divisors (52571789).

2491319107 is a wasteful number, since it uses less digits than its factorization.

2491319107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249317.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 2491319107 is about 49913.1155809773. The cubic root of 2491319107 is about 1355.6360819420.

The spelling of 2491319107 in words is "two billion, four hundred ninety-one million, three hundred nineteen thousand, one hundred seven".