253225766682663 has 4 divisors (see below), whose sum is σ = 337634355576888. Its totient is φ = 168817177788440.

The previous prime is 253225766682659. The next prime is 253225766682677. The reversal of 253225766682663 is 366286667522352.

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 253225766682663 - 2² = 253225766682659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253225766642663) 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, 42204294447108 + ... + 42204294447113.

It is an arithmetic number, because the mean of its divisors is an integer number (84408588894222).

Almost surely, 2^{253225766682663} is an apocalyptic number.

253225766682663 is a deficient number, since it is larger than the sum of its proper divisors (84408588894225).

253225766682663 is an equidigital number, since it uses as much as digits as its factorization.

253225766682663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84408588894224.

The product of its digits is 1567641600, while the sum is 69.

The spelling of 253225766682663 in words is "two hundred fifty-three trillion, two hundred twenty-five billion, seven hundred sixty-six million, six hundred eighty-two thousand, six hundred sixty-three".