2690582987 has 4 divisors (see below), whose sum is σ = 2807564880. Its totient is φ = 2573601096.

The previous prime is 2690582953. The next prime is 2690583017. The reversal of 2690582987 is 7892850962.

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

It is a cyclic number.

It is not a de Polignac number, because 2690582987 - 2¹⁴ = 2690566603 is a prime.

It is a super-3 number, since 3×2690582987³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690582887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58490912 + ... + 58490957.

It is an arithmetic number, because the mean of its divisors is an integer number (701891220).

Almost surely, 2^2690582987 is an apocalyptic number.

2690582987 is a deficient number, since it is larger than the sum of its proper divisors (116981893).

2690582987 is a wasteful number, since it uses less digits than its factorization.

2690582987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116981892.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 2690582987 is about 51870.8298275630. The cubic root of 2690582987 is about 1390.8558790482.

The spelling of 2690582987 in words is "two billion, six hundred ninety million, five hundred eighty-two thousand, nine hundred eighty-seven".