28095406963993 has 2 divisors, whose sum is σ = 28095406963994. Its totient is φ = 28095406963992.

The previous prime is 28095406963973. The next prime is 28095406964021. The reversal of 28095406963993 is 39936960459082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25243912046224 + 2851494917769 = 5024332^2 + 1688637^2 .

It is a cyclic number.

It is not a de Polignac number, because 28095406963993 - 2⁵ = 28095406963961 is a prime.

It is not a weakly prime, because it can be changed into another prime (28095406963963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14047703481996 + 14047703481997.

It is an arithmetic number, because the mean of its divisors is an integer number (14047703481997).

Almost surely, 2^{28095406963993} is an apocalyptic number.

It is an amenable number.

28095406963993 is a deficient number, since it is larger than the sum of its proper divisors (1).

28095406963993 is an equidigital number, since it uses as much as digits as its factorization.

28095406963993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680244480, while the sum is 73.

The spelling of 28095406963993 in words is "twenty-eight trillion, ninety-five billion, four hundred six million, nine hundred sixty-three thousand, nine hundred ninety-three".