2587423466 has 4 divisors (see below), whose sum is σ = 3881135202. Its totient is φ = 1293711732.

The previous prime is 2587423457. The next prime is 2587423481. The reversal of 2587423466 is 6643247852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2004442441 + 582981025 = 44771^2 + 24145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2587423466.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 646855865 + ... + 646855868.

Almost surely, 2^2587423466 is an apocalyptic number.

2587423466 is a deficient number, since it is larger than the sum of its proper divisors (1293711736).

2587423466 is a wasteful number, since it uses less digits than its factorization.

2587423466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293711735.

The product of its digits is 1935360, while the sum is 47.

The square root of 2587423466 is about 50866.7225796984. The cubic root of 2587423466 is about 1372.8481543405.

The spelling of 2587423466 in words is "two billion, five hundred eighty-seven million, four hundred twenty-three thousand, four hundred sixty-six".