40529009663 has 2 divisors, whose sum is σ = 40529009664. Its totient is φ = 40529009662.

The previous prime is 40529009639. The next prime is 40529009683. The reversal of 40529009663 is 36690092504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40529009663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40529009683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20264504831 + 20264504832.

It is an arithmetic number, because the mean of its divisors is an integer number (20264504832).

Almost surely, 2^40529009663 is an apocalyptic number.

40529009663 is a deficient number, since it is larger than the sum of its proper divisors (1).

40529009663 is an equidigital number, since it uses as much as digits as its factorization.

40529009663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 40529009663 in words is "forty billion, five hundred twenty-nine million, nine thousand, six hundred sixty-three".