791068654081 has 2 divisors, whose sum is σ = 791068654082. Its totient is φ = 791068654080.

The previous prime is 791068654031. The next prime is 791068654087. The reversal of 791068654081 is 180456860197.

791068654081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 754841241856 + 36227412225 = 868816^2 + 190335^2 .

It is a cyclic number.

It is not a de Polignac number, because 791068654081 - 2²³ = 791060265473 is a prime.

It is a super-2 number, since 2×791068654081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (791068654087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395534327040 + 395534327041.

It is an arithmetic number, because the mean of its divisors is an integer number (395534327041).

Almost surely, 2^791068654081 is an apocalyptic number.

It is an amenable number.

791068654081 is a deficient number, since it is larger than the sum of its proper divisors (1).

791068654081 is an equidigital number, since it uses as much as digits as its factorization.

791068654081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 791068654081 in words is "seven hundred ninety-one billion, sixty-eight million, six hundred fifty-four thousand, eighty-one".