2505063643 has 8 divisors (see below), whose sum is σ = 2512527440. Its totient is φ = 2497612320.

The previous prime is 2505063629. The next prime is 2505063667. The reversal of 2505063643 is 3463605052.

2505063643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2505063643 - 2⁹ = 2505063131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2505063599 and 2505063608.

It is not an unprimeable number, because it can be changed into a prime (2505069643) 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, 520693 + ... + 525481.

It is an arithmetic number, because the mean of its divisors is an integer number (314065930).

Almost surely, 2^2505063643 is an apocalyptic number.

2505063643 is a deficient number, since it is larger than the sum of its proper divisors (7463797).

2505063643 is an equidigital number, since it uses as much as digits as its factorization.

2505063643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 2505063643 is about 50050.6108154536. The cubic root of 2505063643 is about 1358.1245131194.

Adding to 2505063643 its reverse (3463605052), we get a palindrome (5968668695).

The spelling of 2505063643 in words is "two billion, five hundred five million, sixty-three thousand, six hundred forty-three".