9975650371769 has 2 divisors, whose sum is σ = 9975650371770. Its totient is φ = 9975650371768.

The previous prime is 9975650371751. The next prime is 9975650371789. The reversal of 9975650371769 is 9671730565799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7190506606144 + 2785143765625 = 2681512^2 + 1668875^2 .

It is a cyclic number.

It is not a de Polignac number, because 9975650371769 - 2⁸ = 9975650371513 is a prime.

It is a super-2 number, since 2×9975650371769² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9975650371696 and 9975650371705.

It is not a weakly prime, because it can be changed into another prime (9975650371789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987825185884 + 4987825185885.

It is an arithmetic number, because the mean of its divisors is an integer number (4987825185885).

Almost surely, 2^{9975650371769} is an apocalyptic number.

It is an amenable number.

9975650371769 is a deficient number, since it is larger than the sum of its proper divisors (1).

9975650371769 is an equidigital number, since it uses as much as digits as its factorization.

9975650371769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675126900, while the sum is 74.

The spelling of 9975650371769 in words is "nine trillion, nine hundred seventy-five billion, six hundred fifty million, three hundred seventy-one thousand, seven hundred sixty-nine".