52780919699 has 2 divisors, whose sum is σ = 52780919700. Its totient is φ = 52780919698.

The previous prime is 52780919669. The next prime is 52780919713. The reversal of 52780919699 is 99691908725.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52780919699 is a prime.

It is not a weakly prime, because it can be changed into another prime (52780919629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390459849 + 26390459850.

It is an arithmetic number, because the mean of its divisors is an integer number (26390459850).

Almost surely, 2^52780919699 is an apocalyptic number.

52780919699 is a deficient number, since it is larger than the sum of its proper divisors (1).

52780919699 is an equidigital number, since it uses as much as digits as its factorization.

52780919699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 65.

The spelling of 52780919699 in words is "fifty-two billion, seven hundred eighty million, nine hundred nineteen thousand, six hundred ninety-nine".