1468508856539 has 2 divisors, whose sum is σ = 1468508856540. Its totient is φ = 1468508856538.

The previous prime is 1468508856511. The next prime is 1468508856629. The reversal of 1468508856539 is 9356588058641.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9356588058641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1468508856539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1468508856509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734254428269 + 734254428270.

It is an arithmetic number, because the mean of its divisors is an integer number (734254428270).

Almost surely, 2^{1468508856539} is an apocalyptic number.

1468508856539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468508856539 is an equidigital number, since it uses as much as digits as its factorization.

1468508856539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832000, while the sum is 68.

The spelling of 1468508856539 in words is "one trillion, four hundred sixty-eight billion, five hundred eight million, eight hundred fifty-six thousand, five hundred thirty-nine".