2458779458563 has 4 divisors (see below), whose sum is σ = 2515960376248. Its totient is φ = 2401598540880.

The previous prime is 2458779458557. The next prime is 2458779458579. The reversal of 2458779458563 is 3658549778542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2458779458563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2458779458533) 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, 28590458778 + ... + 28590458863.

It is an arithmetic number, because the mean of its divisors is an integer number (628990094062).

Almost surely, 2^{2458779458563} is an apocalyptic number.

2458779458563 is a deficient number, since it is larger than the sum of its proper divisors (57180917685).

2458779458563 is an equidigital number, since it uses as much as digits as its factorization.

2458779458563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57180917684.

The product of its digits is 2032128000, while the sum is 73.

The spelling of 2458779458563 in words is "two trillion, four hundred fifty-eight billion, seven hundred seventy-nine million, four hundred fifty-eight thousand, five hundred sixty-three".