4539925693 has 2 divisors, whose sum is σ = 4539925694. Its totient is φ = 4539925692.

The previous prime is 4539925631. The next prime is 4539925697. The reversal of 4539925693 is 3965299354.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4259128644 + 280797049 = 65262^2 + 16757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4539925693 is a prime.

It is a super-2 number, since 2×4539925693² = 41221850595923060498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4539925697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269962846 + 2269962847.

It is an arithmetic number, because the mean of its divisors is an integer number (2269962847).

Almost surely, 2^4539925693 is an apocalyptic number.

It is an amenable number.

4539925693 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539925693 is an equidigital number, since it uses as much as digits as its factorization.

4539925693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7873200, while the sum is 55.

The square root of 4539925693 is about 67378.9707030317. The cubic root of 4539925693 is about 1655.8319117522.

The spelling of 4539925693 in words is "four billion, five hundred thirty-nine million, nine hundred twenty-five thousand, six hundred ninety-three".