28390493759 has 2 divisors, whose sum is σ = 28390493760. Its totient is φ = 28390493758.

The previous prime is 28390493753. The next prime is 28390493767. The reversal of 28390493759 is 95739409382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28390493759 - 2²⁸ = 28122058303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28390493698 and 28390493707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28390493753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14195246879 + 14195246880.

It is an arithmetic number, because the mean of its divisors is an integer number (14195246880).

Almost surely, 2^28390493759 is an apocalyptic number.

28390493759 is a deficient number, since it is larger than the sum of its proper divisors (1).

28390493759 is an equidigital number, since it uses as much as digits as its factorization.

28390493759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 28390493759 in words is "twenty-eight billion, three hundred ninety million, four hundred ninety-three thousand, seven hundred fifty-nine".