10788394681 has 2 divisors, whose sum is σ = 10788394682. Its totient is φ = 10788394680.

The previous prime is 10788394649. The next prime is 10788394781. The reversal of 10788394681 is 18649388701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7440615081 + 3347779600 = 86259^2 + 57860^2 .

It is a cyclic number.

It is not a de Polignac number, because 10788394681 - 2⁵ = 10788394649 is a prime.

It is a super-2 number, since 2×10788394681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10788394601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5394197340 + 5394197341.

It is an arithmetic number, because the mean of its divisors is an integer number (5394197341).

Almost surely, 2^10788394681 is an apocalyptic number.

It is an amenable number.

10788394681 is a deficient number, since it is larger than the sum of its proper divisors (1).

10788394681 is an equidigital number, since it uses as much as digits as its factorization.

10788394681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 10788394681 in words is "ten billion, seven hundred eighty-eight million, three hundred ninety-four thousand, six hundred eighty-one".