2987059309 has 8 divisors (see below), whose sum is σ = 3218656280. Its totient is φ = 2755722816.

The previous prime is 2987059303. The next prime is 2987059337. The reversal of 2987059309 is 9039507892.

It can be written as a sum of positive squares in 4 ways, for example, as 79477225 + 2907582084 = 8915^2 + 53922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2987059309 - 2²¹ = 2984962157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987059303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40962 + ... + 87475.

It is an arithmetic number, because the mean of its divisors is an integer number (402332035).

Almost surely, 2^2987059309 is an apocalyptic number.

It is an amenable number.

2987059309 is a deficient number, since it is larger than the sum of its proper divisors (231596971).

2987059309 is a wasteful number, since it uses less digits than its factorization.

2987059309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130239.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 2987059309 is about 54653.9962765762. The cubic root of 2987059309 is about 1440.1728362825.

The spelling of 2987059309 in words is "two billion, nine hundred eighty-seven million, fifty-nine thousand, three hundred nine".