2427989685 has 32 divisors (see below), whose sum is σ = 4328128512. Its totient is φ = 1152156480.

The previous prime is 2427989677. The next prime is 2427989699. The reversal of 2427989685 is 5869897242.

It is not a de Polignac number, because 2427989685 - 2³ = 2427989677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148789 + ... + 164298.

It is an arithmetic number, because the mean of its divisors is an integer number (135254016).

Almost surely, 2^2427989685 is an apocalyptic number.

It is an amenable number.

2427989685 is a deficient number, since it is larger than the sum of its proper divisors (1900138827).

2427989685 is a wasteful number, since it uses less digits than its factorization.

2427989685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313153.

The product of its digits is 17418240, while the sum is 60.

The square root of 2427989685 is about 49274.6353106748. The cubic root of 2427989685 is about 1344.0505794944.

The spelling of 2427989685 in words is "two billion, four hundred twenty-seven million, nine hundred eighty-nine thousand, six hundred eighty-five".