4539723957 has 12 divisors (see below), whose sum is σ = 6681103884. Its totient is φ = 2969378880.

The previous prime is 4539723931. The next prime is 4539723959. The reversal of 4539723957 is 7593279354.

4539723957 is a `hidden beast` number, since 4 + 539 + 72 + 39 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4193987121 + 345736836 = 64761^2 + 18594^2 .

It is not a de Polignac number, because 4539723957 - 2²³ = 4531335349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539723959) 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, 4758144 + ... + 4759097.

It is an arithmetic number, because the mean of its divisors is an integer number (556758657).

Almost surely, 2^4539723957 is an apocalyptic number.

It is an amenable number.

4539723957 is a deficient number, since it is larger than the sum of its proper divisors (2141379927).

4539723957 is a wasteful number, since it uses less digits than its factorization.

4539723957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517300 (or 9517297 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 54.

The square root of 4539723957 is about 67377.4736614545. The cubic root of 4539723957 is about 1655.8073852234.

The spelling of 4539723957 in words is "four billion, five hundred thirty-nine million, seven hundred twenty-three thousand, nine hundred fifty-seven".