2546505613563 has 16 divisors (see below), whose sum is σ = 3506027728896. Its totient is φ = 1642363197120.

The previous prime is 2546505613549. The next prime is 2546505613573. The reversal of 2546505613563 is 3653165056452.

It is not a de Polignac number, because 2546505613563 - 2⁶ = 2546505613499 is a prime.

It is a super-3 number, since 3×2546505613563³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2546505613523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4247770 + ... + 4810047.

It is an arithmetic number, because the mean of its divisors is an integer number (219126733056).

Almost surely, 2^{2546505613563} is an apocalyptic number.

2546505613563 is a deficient number, since it is larger than the sum of its proper divisors (959522115333).

2546505613563 is a wasteful number, since it uses less digits than its factorization.

2546505613563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060874.

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 2546505613563 in words is "two trillion, five hundred forty-six billion, five hundred five million, six hundred thirteen thousand, five hundred sixty-three".