2555606463 has 4 divisors (see below), whose sum is σ = 3407475288. Its totient is φ = 1703737640.

The previous prime is 2555606461. The next prime is 2555606477. The reversal of 2555606463 is 3646065552.

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

It is a cyclic number.

It is not a de Polignac number, because 2555606463 - 2¹ = 2555606461 is a prime.

It is a super-2 number, since 2×2555606463² = 13062248787454740738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555606461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425934408 + ... + 425934413.

It is an arithmetic number, because the mean of its divisors is an integer number (851868822).

Almost surely, 2^2555606463 is an apocalyptic number.

2555606463 is a deficient number, since it is larger than the sum of its proper divisors (851868825).

2555606463 is an equidigital number, since it uses as much as digits as its factorization.

2555606463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851868824.

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 2555606463 is about 50553.0064684584. The cubic root of 2555606463 is about 1367.1977214451.

The spelling of 2555606463 in words is "two billion, five hundred fifty-five million, six hundred six thousand, four hundred sixty-three".