2563164443 has 8 divisors (see below), whose sum is σ = 3101644512. Its totient is φ = 2067762816.

The previous prime is 2563164403. The next prime is 2563164451. The reversal of 2563164443 is 3444613652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2563164443 - 2⁶ = 2563164379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2563164397 and 2563164406.

It is not an unprimeable number, because it can be changed into a prime (2563164403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10769480 + ... + 10769717.

It is an arithmetic number, because the mean of its divisors is an integer number (387705564).

Almost surely, 2^2563164443 is an apocalyptic number.

2563164443 is a deficient number, since it is larger than the sum of its proper divisors (538480069).

2563164443 is a wasteful number, since it uses less digits than its factorization.

2563164443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21539221.

The product of its digits is 207360, while the sum is 38.

The square root of 2563164443 is about 50627.7043030790. The cubic root of 2563164443 is about 1368.5441837333.

The spelling of 2563164443 in words is "two billion, five hundred sixty-three million, one hundred sixty-four thousand, four hundred forty-three".