6810772154993 has 2 divisors, whose sum is σ = 6810772154994. Its totient is φ = 6810772154992.

The previous prime is 6810772154957. The next prime is 6810772155007. The reversal of 6810772154993 is 3994512770186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3664345405504 + 3146426749489 = 1914248^2 + 1773817^2 .

It is a cyclic number.

It is not a de Polignac number, because 6810772154993 - 2¹⁴ = 6810772138609 is a prime.

It is not a weakly prime, because it can be changed into another prime (6810772174993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405386077496 + 3405386077497.

It is an arithmetic number, because the mean of its divisors is an integer number (3405386077497).

It is a 1-persistent number, because it is pandigital, but 2⋅6810772154993 = 13621544309986 is not.

Almost surely, 2^{6810772154993} is an apocalyptic number.

It is an amenable number.

6810772154993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6810772154993 is an equidigital number, since it uses as much as digits as its factorization.

6810772154993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 6810772154993 in words is "six trillion, eight hundred ten billion, seven hundred seventy-two million, one hundred fifty-four thousand, nine hundred ninety-three".