253421715763 has 8 divisors (see below), whose sum is σ = 256780850400. Its totient is φ = 250082168448.

The previous prime is 253421715761. The next prime is 253421715797. The reversal of 253421715763 is 367517124352.

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 253421715763 - 2¹ = 253421715761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253421715761) 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, 4870783 + ... + 4922536.

It is an arithmetic number, because the mean of its divisors is an integer number (32097606300).

Almost surely, 2^253421715763 is an apocalyptic number.

253421715763 is a deficient number, since it is larger than the sum of its proper divisors (3359134637).

253421715763 is a wasteful number, since it uses less digits than its factorization.

253421715763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793661.

The product of its digits is 1058400, while the sum is 46.

The spelling of 253421715763 in words is "two hundred fifty-three billion, four hundred twenty-one million, seven hundred fifteen thousand, seven hundred sixty-three".