4855173087469 has 2 divisors, whose sum is σ = 4855173087470. Its totient is φ = 4855173087468.

The previous prime is 4855173087467. The next prime is 4855173087539. The reversal of 4855173087469 is 9647803715584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4636864542244 + 218308545225 = 2153338^2 + 467235^2 .

It is a cyclic number.

It is not a de Polignac number, because 4855173087469 - 2¹ = 4855173087467 is a prime.

It is a super-2 number, since 2×4855173087469² (a number of 26 digits) contains 22 as substring.

Together with 4855173087467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4855173087467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2427586543734 + 2427586543735.

It is an arithmetic number, because the mean of its divisors is an integer number (2427586543735).

Almost surely, 2^{4855173087469} is an apocalyptic number.

It is an amenable number.

4855173087469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4855173087469 is an equidigital number, since it uses as much as digits as its factorization.

4855173087469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 203212800, while the sum is 67.

The spelling of 4855173087469 in words is "four trillion, eight hundred fifty-five billion, one hundred seventy-three million, eighty-seven thousand, four hundred sixty-nine".