2986128993 has 8 divisors (see below), whose sum is σ = 4089113728. Its totient is φ = 1936948464.

The previous prime is 2986128991. The next prime is 2986128997. The reversal of 2986128993 is 3998216892.

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

It is not a de Polignac number, because 2986128993 - 2¹ = 2986128991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2986128991) 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, 13450921 + ... + 13451142.

It is an arithmetic number, because the mean of its divisors is an integer number (511139216).

Almost surely, 2^2986128993 is an apocalyptic number.

It is an amenable number.

2986128993 is a deficient number, since it is larger than the sum of its proper divisors (1102984735).

2986128993 is a wasteful number, since it uses less digits than its factorization.

2986128993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26902103.

The product of its digits is 3359232, while the sum is 57.

The square root of 2986128993 is about 54645.4846533545. The cubic root of 2986128993 is about 1440.0233073967.

The spelling of 2986128993 in words is "two billion, nine hundred eighty-six million, one hundred twenty-eight thousand, nine hundred ninety-three".