80245244254209 has 16 divisors (see below), whose sum is σ = 108131818708992. Its totient is φ = 52928705289168.

The previous prime is 80245244254121. The next prime is 80245244254271. The reversal of 80245244254209 is 90245244254208.

It is not a de Polignac number, because 80245244254209 - 2²¹ = 80245242157057 is a prime.

It is a super-2 number, since 2×80245244254209² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80245244254289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119118279 + ... + 119790044.

It is an arithmetic number, because the mean of its divisors is an integer number (6758238669312).

Almost surely, 2^{80245244254209} is an apocalyptic number.

It is an amenable number.

80245244254209 is a deficient number, since it is larger than the sum of its proper divisors (27886574454783).

80245244254209 is a wasteful number, since it uses less digits than its factorization.

80245244254209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238909516.

The product of its (nonzero) digits is 7372800, while the sum is 51.

Subtracting 80245244254209 from its reverse (90245244254208), we obtain a palindrome (9999999999999).

The spelling of 80245244254209 in words is "eighty trillion, two hundred forty-five billion, two hundred forty-four million, two hundred fifty-four thousand, two hundred nine".