28600445744993 has 2 divisors, whose sum is σ = 28600445744994. Its totient is φ = 28600445744992.

The previous prime is 28600445744989. The next prime is 28600445745031. The reversal of 28600445744993 is 39944754400682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19769254665169 + 8831191079824 = 4446263^2 + 2971732^2 .

It is a cyclic number.

It is not a de Polignac number, because 28600445744993 - 2² = 28600445744989 is a prime.

It is not a weakly prime, because it can be changed into another prime (28600445764993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300222872496 + 14300222872497.

It is an arithmetic number, because the mean of its divisors is an integer number (14300222872497).

Almost surely, 2^{28600445744993} is an apocalyptic number.

It is an amenable number.

28600445744993 is a deficient number, since it is larger than the sum of its proper divisors (1).

28600445744993 is an equidigital number, since it uses as much as digits as its factorization.

28600445744993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209018880, while the sum is 65.

The spelling of 28600445744993 in words is "twenty-eight trillion, six hundred billion, four hundred forty-five million, seven hundred forty-four thousand, nine hundred ninety-three".