10669718491 has 2 divisors, whose sum is σ = 10669718492. Its totient is φ = 10669718490.

The previous prime is 10669718473. The next prime is 10669718497. The reversal of 10669718491 is 19481796601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10669718491 - 2⁵ = 10669718459 is a prime.

It is a super-2 number, since 2×10669718491² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10669718497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5334859245 + 5334859246.

It is an arithmetic number, because the mean of its divisors is an integer number (5334859246).

Almost surely, 2^10669718491 is an apocalyptic number.

10669718491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10669718491 is an equidigital number, since it uses as much as digits as its factorization.

10669718491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 10669718491 in words is "ten billion, six hundred sixty-nine million, seven hundred eighteen thousand, four hundred ninety-one".