2587842349 has 4 divisors (see below), whose sum is σ = 2612967136. Its totient is φ = 2562717564.

The previous prime is 2587842337. The next prime is 2587842353. The reversal of 2587842349 is 9432487852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2587842349 - 2¹³ = 2587834157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2587842296 and 2587842305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587842319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12562239 + ... + 12562444.

It is an arithmetic number, because the mean of its divisors is an integer number (653241784).

Almost surely, 2^2587842349 is an apocalyptic number.

It is an amenable number.

2587842349 is a deficient number, since it is larger than the sum of its proper divisors (25124787).

2587842349 is a wasteful number, since it uses less digits than its factorization.

2587842349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25124786.

The product of its digits is 3870720, while the sum is 52.

The square root of 2587842349 is about 50870.8398692217. The cubic root of 2587842349 is about 1372.9222346925.

The spelling of 2587842349 in words is "two billion, five hundred eighty-seven million, eight hundred forty-two thousand, three hundred forty-nine".