2605613621463 has 24 divisors (see below), whose sum is σ = 3859008281856. Its totient is φ = 1693148716800.

The previous prime is 2605613621441. The next prime is 2605613621467. The reversal of 2605613621463 is 3641263165062.

2605613621463 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 6 + 13 + 621 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 2605613621463 - 2¹⁷ = 2605613490391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605613621467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2846958 + ... + 3649163.

It is an arithmetic number, because the mean of its divisors is an integer number (160792011744).

Almost surely, 2^{2605613621463} is an apocalyptic number.

2605613621463 is a deficient number, since it is larger than the sum of its proper divisors (1253394660393).

2605613621463 is a wasteful number, since it uses less digits than its factorization.

2605613621463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497255 (or 6497252 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 2605613621463 in words is "two trillion, six hundred five billion, six hundred thirteen million, six hundred twenty-one thousand, four hundred sixty-three".