4539767857 has 2 divisors, whose sum is σ = 4539767858. Its totient is φ = 4539767856.

The previous prime is 4539767801. The next prime is 4539767861. The reversal of 4539767857 is 7587679354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4520679696 + 19088161 = 67236^2 + 4369^2 .

It is a cyclic number.

It is not a de Polignac number, because 4539767857 - 2²⁷ = 4405550129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4539767795 and 4539767804.

It is not a weakly prime, because it can be changed into another prime (4539767257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269883928 + 2269883929.

It is an arithmetic number, because the mean of its divisors is an integer number (2269883929).

Almost surely, 2^4539767857 is an apocalyptic number.

It is an amenable number.

4539767857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539767857 is an equidigital number, since it uses as much as digits as its factorization.

4539767857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44452800, while the sum is 61.

The square root of 4539767857 is about 67377.7994372033. The cubic root of 4539767857 is about 1655.8127225310.

The spelling of 4539767857 in words is "four billion, five hundred thirty-nine million, seven hundred sixty-seven thousand, eight hundred fifty-seven".