2986999971 has 8 divisors (see below), whose sum is σ = 4120000080. Its totient is φ = 1922666592.

The previous prime is 2986999969. The next prime is 2986999979. The reversal of 2986999971 is 1799996892.

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

It is not a de Polignac number, because 2986999971 - 2¹ = 2986999969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2986999896 and 2986999905.

It is not an unprimeable number, because it can be changed into a prime (2986999979) 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, 17166580 + ... + 17166753.

It is an arithmetic number, because the mean of its divisors is an integer number (515000010).

Almost surely, 2^2986999971 is an apocalyptic number.

2986999971 is a deficient number, since it is larger than the sum of its proper divisors (1133000109).

2986999971 is a wasteful number, since it uses less digits than its factorization.

2986999971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34333365.

The product of its digits is 39680928, while the sum is 69.

The square root of 2986999971 is about 54653.4534224508. The cubic root of 2986999971 is about 1440.1632998641.

The spelling of 2986999971 in words is "two billion, nine hundred eighty-six million, nine hundred ninety-nine thousand, nine hundred seventy-one".