10605820697947 has 2 divisors, whose sum is σ = 10605820697948. Its totient is φ = 10605820697946.

The previous prime is 10605820697909. The next prime is 10605820697999. The reversal of 10605820697947 is 74979602850601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10605820697947 - 2¹⁹ = 10605820173659 is a prime.

It is a super-2 number, since 2×10605820697947² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10605820694947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5302910348973 + 5302910348974.

It is an arithmetic number, because the mean of its divisors is an integer number (5302910348974).

Almost surely, 2^{10605820697947} is an apocalyptic number.

10605820697947 is a deficient number, since it is larger than the sum of its proper divisors (1).

10605820697947 is an equidigital number, since it uses as much as digits as its factorization.

10605820697947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 10605820697947 in words is "ten trillion, six hundred five billion, eight hundred twenty million, six hundred ninety-seven thousand, nine hundred forty-seven".