2563418641 has 8 divisors (see below), whose sum is σ = 2997752384. Its totient is φ = 2146117680.

The previous prime is 2563418549. The next prime is 2563418653. The reversal of 2563418641 is 1468143652.

It is a happy number.

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

It is not a de Polignac number, because 2563418641 - 2¹⁵ = 2563385873 is a prime.

It is a super-2 number, since 2×2563418641² = 13142230258052573762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2563418594 and 2563418603.

It is not an unprimeable number, because it can be changed into a prime (2563415641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4257870 + ... + 4258471.

It is an arithmetic number, because the mean of its divisors is an integer number (374719048).

Almost surely, 2^2563418641 is an apocalyptic number.

It is an amenable number.

2563418641 is a deficient number, since it is larger than the sum of its proper divisors (434333743).

2563418641 is an equidigital number, since it uses as much as digits as its factorization.

2563418641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516391.

The product of its digits is 138240, while the sum is 40.

The square root of 2563418641 is about 50630.2147042653. The cubic root of 2563418641 is about 1368.5894233454.

The spelling of 2563418641 in words is "two billion, five hundred sixty-three million, four hundred eighteen thousand, six hundred forty-one".