4540040093 has 2 divisors, whose sum is σ = 4540040094. Its totient is φ = 4540040092.

The previous prime is 4540040053. The next prime is 4540040137. The reversal of 4540040093 is 3900400454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2492206084 + 2047834009 = 49922^2 + 45253^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540040093 - 2²² = 4535845789 is a prime.

It is a super-2 number, since 2×4540040093² = 41223928092094897298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540040053) 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, 2270020046 + 2270020047.

It is an arithmetic number, because the mean of its divisors is an integer number (2270020047).

Almost surely, 2^4540040093 is an apocalyptic number.

It is an amenable number.

4540040093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540040093 is an equidigital number, since it uses as much as digits as its factorization.

4540040093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 4540040093 is about 67379.8196272445. The cubic root of 4540040093 is about 1655.8458198785.

The spelling of 4540040093 in words is "four billion, five hundred forty million, forty thousand, ninety-three".