43650264487 has 2 divisors, whose sum is σ = 43650264488. Its totient is φ = 43650264486.

The previous prime is 43650264481. The next prime is 43650264509. The reversal of 43650264487 is 78446205634.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43650264487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43650264487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43650264481) 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, 21825132243 + 21825132244.

It is an arithmetic number, because the mean of its divisors is an integer number (21825132244).

Almost surely, 2^43650264487 is an apocalyptic number.

43650264487 is a deficient number, since it is larger than the sum of its proper divisors (1).

43650264487 is an equidigital number, since it uses as much as digits as its factorization.

43650264487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 43650264487 in words is "forty-three billion, six hundred fifty million, two hundred sixty-four thousand, four hundred eighty-seven".