2859816971 has 6 divisors (see below), whose sum is σ = 3143435316. Its totient is φ = 2599833500.

The previous prime is 2859816859. The next prime is 2859816979. The reversal of 2859816971 is 1796189582.

It is not a de Polignac number, because 2859816971 - 2¹⁸ = 2859554827 is a prime.

It is a super-2 number, since 2×2859816971² = 16357106215239229682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2859816979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11817305 + ... + 11817546.

It is an arithmetic number, because the mean of its divisors is an integer number (523905886).

Almost surely, 2^2859816971 is an apocalyptic number.

2859816971 is a deficient number, since it is larger than the sum of its proper divisors (283618345).

2859816971 is a wasteful number, since it uses less digits than its factorization.

2859816971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23634873 (or 23634862 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 56.

The square root of 2859816971 is about 53477.2565769786. The cubic root of 2859816971 is about 1419.4259683043.

The spelling of 2859816971 in words is "two billion, eight hundred fifty-nine million, eight hundred sixteen thousand, nine hundred seventy-one".