2491909883 has 8 divisors (see below), whose sum is σ = 2578508400. Its totient is φ = 2405356128.

The previous prime is 2491909867. The next prime is 2491909909. The reversal of 2491909883 is 3889091942.

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 2491909883 - 2⁴ = 2491909867 is a prime.

It is a super-2 number, since 2×2491909883² = 12419229729986147378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2491909853) 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, 134348 + ... + 151766.

It is an arithmetic number, because the mean of its divisors is an integer number (322313550).

Almost surely, 2^2491909883 is an apocalyptic number.

2491909883 is a deficient number, since it is larger than the sum of its proper divisors (86598517).

2491909883 is a wasteful number, since it uses less digits than its factorization.

2491909883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22381.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 2491909883 is about 49919.0332738926. The cubic root of 2491909883 is about 1355.7432291909.

The spelling of 2491909883 in words is "two billion, four hundred ninety-one million, nine hundred nine thousand, eight hundred eighty-three".