4140556639 has 2 divisors, whose sum is σ = 4140556640. Its totient is φ = 4140556638.

The previous prime is 4140556621. The next prime is 4140556663. The reversal of 4140556639 is 9366550414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4140556639 - 2⁹ = 4140556127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4140556595 and 4140556604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140556139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070278319 + 2070278320.

It is an arithmetic number, because the mean of its divisors is an integer number (2070278320).

Almost surely, 2^4140556639 is an apocalyptic number.

4140556639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140556639 is an equidigital number, since it uses as much as digits as its factorization.

4140556639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 4140556639 is about 64347.1571943936. The cubic root of 4140556639 is about 1605.7807349896.

The spelling of 4140556639 in words is "four billion, one hundred forty million, five hundred fifty-six thousand, six hundred thirty-nine".