28913936699 has 2 divisors, whose sum is σ = 28913936700. Its totient is φ = 28913936698.

The previous prime is 28913936669. The next prime is 28913936791. The reversal of 28913936699 is 99663931982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28913936699 - 2¹² = 28913932603 is a prime.

It is not a weakly prime, because it can be changed into another prime (28913936609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14456968349 + 14456968350.

It is an arithmetic number, because the mean of its divisors is an integer number (14456968350).

Almost surely, 2^28913936699 is an apocalyptic number.

28913936699 is a deficient number, since it is larger than the sum of its proper divisors (1).

28913936699 is an equidigital number, since it uses as much as digits as its factorization.

28913936699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34012224, while the sum is 65.

The spelling of 28913936699 in words is "twenty-eight billion, nine hundred thirteen million, nine hundred thirty-six thousand, six hundred ninety-nine".