2587413821 has 12 divisors (see below), whose sum is σ = 2754453120. Its totient is φ = 2429999040.

The previous prime is 2587413817. The next prime is 2587413823. The reversal of 2587413821 is 1283147852.

It is not a de Polignac number, because 2587413821 - 2² = 2587413817 is a prime.

It is a super-2 number, since 2×2587413821² = 13389420562203640082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587413823) 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 11 ways as a sum of consecutive naturals, for example, 129086 + ... + 147776.

It is an arithmetic number, because the mean of its divisors is an integer number (229537760).

Almost surely, 2^2587413821 is an apocalyptic number.

It is an amenable number.

2587413821 is a deficient number, since it is larger than the sum of its proper divisors (167039299).

2587413821 is a wasteful number, since it uses less digits than its factorization.

2587413821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19204 (or 19187 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 2587413821 is about 50866.6277730301. The cubic root of 2587413821 is about 1372.8464485075.

The spelling of 2587413821 in words is "two billion, five hundred eighty-seven million, four hundred thirteen thousand, eight hundred twenty-one".