2591009242 has 16 divisors (see below), whose sum is σ = 3898396800. Its totient is φ = 1291550832.

The previous prime is 2591009237. The next prime is 2591009261. The reversal of 2591009242 is 2429001952.

It is a junction number, because it is equal to n+sod(n) for n = 2591009198 and 2591009207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452283 + ... + 1454065.

It is an arithmetic number, because the mean of its divisors is an integer number (243649800).

Almost surely, 2^2591009242 is an apocalyptic number.

2591009242 is a deficient number, since it is larger than the sum of its proper divisors (1307387558).

2591009242 is a wasteful number, since it uses less digits than its factorization.

2591009242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2591009242 is about 50901.9571529426. The cubic root of 2591009242 is about 1373.4820479580.

The spelling of 2591009242 in words is "two billion, five hundred ninety-one million, nine thousand, two hundred forty-two".