2491983059 has 18 divisors (see below), whose sum is σ = 2599403940. Its totient is φ = 2388304512.

The previous prime is 2491983023. The next prime is 2491983071. The reversal of 2491983059 is 9503891942.

It is a happy number.

It is not a de Polignac number, because 2491983059 - 2⁸ = 2491982803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2491982998 and 2491983016.

It is not an unprimeable number, because it can be changed into a prime (2491983359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25690499 + ... + 25690595.

It is an arithmetic number, because the mean of its divisors is an integer number (144411330).

Almost surely, 2^2491983059 is an apocalyptic number.

2491983059 is a deficient number, since it is larger than the sum of its proper divisors (107420881).

2491983059 is an frugal number, since it uses more digits than its factorization.

2491983059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 2491983059 is about 49919.7662153981. The cubic root of 2491983059 is about 1355.7564997210.

The spelling of 2491983059 in words is "two billion, four hundred ninety-one million, nine hundred eighty-three thousand, fifty-nine".