2405917563 has 48 divisors (see below), whose sum is σ = 3841447680. Its totient is φ = 1311583104.

The previous prime is 2405917561. The next prime is 2405917589. The reversal of 2405917563 is 3657195042.

It is not a de Polignac number, because 2405917563 - 2¹ = 2405917561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2405917561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1522908 + ... + 1524486.

It is an arithmetic number, because the mean of its divisors is an integer number (80030160).

Almost surely, 2^2405917563 is an apocalyptic number.

2405917563 is a deficient number, since it is larger than the sum of its proper divisors (1435530117).

2405917563 is a wasteful number, since it uses less digits than its factorization.

2405917563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2405917563 is about 49050.1535471603. The cubic root of 2405917563 is about 1339.9653891335.

The spelling of 2405917563 in words is "two billion, four hundred five million, nine hundred seventeen thousand, five hundred sixty-three".