2455489463509 has 4 divisors (see below), whose sum is σ = 2599930020204. Its totient is φ = 2311048906816.

The previous prime is 2455489463501. The next prime is 2455489463549. The reversal of 2455489463509 is 9053649845542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 749453804100 + 1706035659409 = 865710^2 + 1306153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455489463509 - 2³ = 2455489463501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455489463501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72220278322 + ... + 72220278355.

It is an arithmetic number, because the mean of its divisors is an integer number (649982505051).

Almost surely, 2^{2455489463509} is an apocalyptic number.

It is an amenable number.

2455489463509 is a deficient number, since it is larger than the sum of its proper divisors (144440556695).

2455489463509 is a wasteful number, since it uses less digits than its factorization.

2455489463509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144440556694.

The product of its (nonzero) digits is 186624000, while the sum is 64.

The spelling of 2455489463509 in words is "two trillion, four hundred fifty-five billion, four hundred eighty-nine million, four hundred sixty-three thousand, five hundred nine".