2526666463 has 4 divisors (see below), whose sum is σ = 2675293920. Its totient is φ = 2378039008.

The previous prime is 2526666419. The next prime is 2526666487. The reversal of 2526666463 is 3646666252.

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 2526666463 - 2²⁹ = 1989795551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2526666763) 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, 74313703 + ... + 74313736.

It is an arithmetic number, because the mean of its divisors is an integer number (668823480).

Almost surely, 2^2526666463 is an apocalyptic number.

2526666463 is a deficient number, since it is larger than the sum of its proper divisors (148627457).

2526666463 is a wasteful number, since it uses less digits than its factorization.

2526666463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148627456.

The product of its digits is 1866240, while the sum is 46.

The square root of 2526666463 is about 50265.9572971609. The cubic root of 2526666463 is about 1362.0173461781.

The spelling of 2526666463 in words is "two billion, five hundred twenty-six million, six hundred sixty-six thousand, four hundred sixty-three".