2170975336969 has 2 divisors, whose sum is σ = 2170975336970. Its totient is φ = 2170975336968.

The previous prime is 2170975336967. The next prime is 2170975337009. The reversal of 2170975336969 is 9696335790712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1839875216400 + 331100120569 = 1356420^2 + 575413^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170975336969 - 2¹ = 2170975336967 is a prime.

It is a super-2 number, since 2×2170975336969² (a number of 25 digits) contains 22 as substring.

Together with 2170975336967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2170975336967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085487668484 + 1085487668485.

It is an arithmetic number, because the mean of its divisors is an integer number (1085487668485).

Almost surely, 2^{2170975336969} is an apocalyptic number.

It is an amenable number.

2170975336969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170975336969 is an equidigital number, since it uses as much as digits as its factorization.

2170975336969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115736040, while the sum is 67.

The spelling of 2170975336969 in words is "two trillion, one hundred seventy billion, nine hundred seventy-five million, three hundred thirty-six thousand, nine hundred sixty-nine".