2716857945 has 12 divisors (see below), whose sum is σ = 4709220516. Its totient is φ = 1448990880.

The previous prime is 2716857943. The next prime is 2716857959. The reversal of 2716857945 is 5497586172.

2716857945 is a `hidden beast` number, since 2 + 7 + 1 + 68 + 579 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1109489481 + 1607368464 = 33309^2 + 40092^2 .

It is not a de Polignac number, because 2716857945 - 2¹ = 2716857943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2716857891 and 2716857900.

It is not an unprimeable number, because it can be changed into a prime (2716857943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30187266 + ... + 30187355.

It is an arithmetic number, because the mean of its divisors is an integer number (392435043).

Almost surely, 2^2716857945 is an apocalyptic number.

It is an amenable number.

2716857945 is a deficient number, since it is larger than the sum of its proper divisors (1992362571).

2716857945 is a wasteful number, since it uses less digits than its factorization.

2716857945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60374632 (or 60374629 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 2716857945 is about 52123.4874600693. The cubic root of 2716857945 is about 1395.3687004776.

The spelling of 2716857945 in words is "two billion, seven hundred sixteen million, eight hundred fifty-seven thousand, nine hundred forty-five".