2998742686 has 16 divisors (see below), whose sum is σ = 4609148544. Its totient is φ = 1462457304.

The previous prime is 2998742653. The next prime is 2998742689. The reversal of 2998742686 is 6862478992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2998742689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38541 + ... + 86503.

It is an arithmetic number, because the mean of its divisors is an integer number (288071784).

Almost surely, 2^2998742686 is an apocalyptic number.

2998742686 is a deficient number, since it is larger than the sum of its proper divisors (1610405858).

2998742686 is a wasteful number, since it uses less digits than its factorization.

2998742686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48735.

The product of its digits is 20901888, while the sum is 61.

The square root of 2998742686 is about 54760.7768936855. The cubic root of 2998742686 is about 1442.0480576447.

The spelling of 2998742686 in words is "two billion, nine hundred ninety-eight million, seven hundred forty-two thousand, six hundred eighty-six".