12953020169 has 2 divisors, whose sum is σ = 12953020170. Its totient is φ = 12953020168.

The previous prime is 12953020151. The next prime is 12953020183. The reversal of 12953020169 is 96102035921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12496556944 + 456463225 = 111788^2 + 21365^2 .

It is an emirp because it is prime and its reverse (96102035921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12953020169 - 2⁸ = 12953019913 is a prime.

It is a super-2 number, since 2×12953020169² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12953020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6476510084 + 6476510085.

It is an arithmetic number, because the mean of its divisors is an integer number (6476510085).

Almost surely, 2^12953020169 is an apocalyptic number.

It is an amenable number.

12953020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12953020169 is an equidigital number, since it uses as much as digits as its factorization.

12953020169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 12953020169 in words is "twelve billion, nine hundred fifty-three million, twenty thousand, one hundred sixty-nine".