2387261289 has 32 divisors (see below), whose sum is σ = 3832591360. Its totient is φ = 1291204800.

The previous prime is 2387261281. The next prime is 2387261297. The reversal of 2387261289 is 9821627832.

It is an interprime number because it is at equal distance from previous prime (2387261281) and next prime (2387261297).

It is not a de Polignac number, because 2387261289 - 2³ = 2387261281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2387261281) 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 31 ways as a sum of consecutive naturals, for example, 644934 + ... + 648624.

It is an arithmetic number, because the mean of its divisors is an integer number (119768480).

Almost surely, 2^2387261289 is an apocalyptic number.

It is an amenable number.

2387261289 is a deficient number, since it is larger than the sum of its proper divisors (1445330071).

2387261289 is a wasteful number, since it uses less digits than its factorization.

2387261289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its digits is 580608, while the sum is 48.

The square root of 2387261289 is about 48859.6079497165. The cubic root of 2387261289 is about 1336.4928875752.

The spelling of 2387261289 in words is "two billion, three hundred eighty-seven million, two hundred sixty-one thousand, two hundred eighty-nine".