2251524605663 has 8 divisors (see below), whose sum is σ = 2303913849600. Its totient is φ = 2199136643928.

The previous prime is 2251524605647. The next prime is 2251524605669. The reversal of 2251524605663 is 3665064251522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251524605663 - 2⁴ = 2251524605647 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 (2251524605669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858908 + ... + 4403886.

It is an arithmetic number, because the mean of its divisors is an integer number (287989231200).

Almost surely, 2^{2251524605663} is an apocalyptic number.

2251524605663 is a deficient number, since it is larger than the sum of its proper divisors (52389243937).

2251524605663 is an equidigital number, since it uses as much as digits as its factorization.

2251524605663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641101.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 2251524605663 in words is "two trillion, two hundred fifty-one billion, five hundred twenty-four million, six hundred five thousand, six hundred sixty-three".