48643647539 has 2 divisors, whose sum is σ = 48643647540. Its totient is φ = 48643647538.

The previous prime is 48643647529. The next prime is 48643647581. The reversal of 48643647539 is 93574634684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48643647539 - 2²⁴ = 48626870323 is a prime.

It is not a weakly prime, because it can be changed into another prime (48643647509) 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, 24321823769 + 24321823770.

It is an arithmetic number, because the mean of its divisors is an integer number (24321823770).

Almost surely, 2^48643647539 is an apocalyptic number.

48643647539 is a deficient number, since it is larger than the sum of its proper divisors (1).

48643647539 is an equidigital number, since it uses as much as digits as its factorization.

48643647539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 59.

The spelling of 48643647539 in words is "forty-eight billion, six hundred forty-three million, six hundred forty-seven thousand, five hundred thirty-nine".