48780646399 has 2 divisors, whose sum is σ = 48780646400. Its totient is φ = 48780646398.

The previous prime is 48780646363. The next prime is 48780646441. The reversal of 48780646399 is 99364608784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48780646399 - 2⁹ = 48780645887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48780646399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48780646199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24390323199 + 24390323200.

It is an arithmetic number, because the mean of its divisors is an integer number (24390323200).

Almost surely, 2^48780646399 is an apocalyptic number.

48780646399 is a deficient number, since it is larger than the sum of its proper divisors (1).

48780646399 is an equidigital number, since it uses as much as digits as its factorization.

48780646399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 48780646399 in words is "forty-eight billion, seven hundred eighty million, six hundred forty-six thousand, three hundred ninety-nine".