649426124159 has 2 divisors, whose sum is σ = 649426124160. Its totient is φ = 649426124158.

The previous prime is 649426124107. The next prime is 649426124231. The reversal of 649426124159 is 951421624946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 649426124159 - 2⁸ = 649426123903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 649426124159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (649426129159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324713062079 + 324713062080.

It is an arithmetic number, because the mean of its divisors is an integer number (324713062080).

Almost surely, 2^649426124159 is an apocalyptic number.

649426124159 is a deficient number, since it is larger than the sum of its proper divisors (1).

649426124159 is an equidigital number, since it uses as much as digits as its factorization.

649426124159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 53.

The spelling of 649426124159 in words is "six hundred forty-nine billion, four hundred twenty-six million, one hundred twenty-four thousand, one hundred fifty-nine".