4000487093 has 2 divisors, whose sum is σ = 4000487094. Its totient is φ = 4000487092.

The previous prime is 4000487087. The next prime is 4000487111. The reversal of 4000487093 is 3907840004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2550553009 + 1449934084 = 50503^2 + 38078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000487093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000487053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000243546 + 2000243547.

It is an arithmetic number, because the mean of its divisors is an integer number (2000243547).

Almost surely, 2^4000487093 is an apocalyptic number.

It is an amenable number.

4000487093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000487093 is an equidigital number, since it uses as much as digits as its factorization.

4000487093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 4000487093 is about 63249.4038944242. The cubic root of 4000487093 is about 1587.4654836813.

The spelling of 4000487093 in words is "four billion, four hundred eighty-seven thousand, ninety-three".