4555605012509 has 2 divisors, whose sum is σ = 4555605012510. Its totient is φ = 4555605012508.

The previous prime is 4555605012443. The next prime is 4555605012529. The reversal of 4555605012509 is 9052105065554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3929572759225 + 626032253284 = 1982315^2 + 791222^2 .

It is a cyclic number.

It is not a de Polignac number, because 4555605012509 - 2⁸ = 4555605012253 is a prime.

It is a super-3 number, since 3×4555605012509³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4555605012529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277802506254 + 2277802506255.

It is an arithmetic number, because the mean of its divisors is an integer number (2277802506255).

Almost surely, 2^{4555605012509} is an apocalyptic number.

It is an amenable number.

4555605012509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4555605012509 is an equidigital number, since it uses as much as digits as its factorization.

4555605012509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 4555605012509 in words is "four trillion, five hundred fifty-five billion, six hundred five million, twelve thousand, five hundred nine".