2563464455 has 4 divisors (see below), whose sum is σ = 3076157352. Its totient is φ = 2050771560.

The previous prime is 2563464437. The next prime is 2563464457. The reversal of 2563464455 is 5544643652.

It is a happy number.

2563464455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2563464455 - 2¹⁰ = 2563463431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563464457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256346441 + ... + 256346450.

It is an arithmetic number, because the mean of its divisors is an integer number (769039338).

Almost surely, 2^2563464455 is an apocalyptic number.

2563464455 is a deficient number, since it is larger than the sum of its proper divisors (512692897).

2563464455 is an equidigital number, since it uses as much as digits as its factorization.

2563464455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512692896.

The product of its digits is 1728000, while the sum is 44.

The square root of 2563464455 is about 50630.6671395904. The cubic root of 2563464455 is about 1368.5975765438.

The spelling of 2563464455 in words is "two billion, five hundred sixty-three million, four hundred sixty-four thousand, four hundred fifty-five".