63042635263253 has 4 divisors (see below), whose sum is σ = 63840643304640. Its totient is φ = 62244627221868.

The previous prime is 63042635263247. The next prime is 63042635263261. The reversal of 63042635263253 is 35236253624036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63042635263253 - 2⁶ = 63042635263189 is a prime.

It is a super-2 number, since 2×63042635263253² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63042635263453) 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, 399004020575 + ... + 399004020732.

It is an arithmetic number, because the mean of its divisors is an integer number (15960160826160).

Almost surely, 2^{63042635263253} is an apocalyptic number.

It is an amenable number.

63042635263253 is a deficient number, since it is larger than the sum of its proper divisors (798008041387).

63042635263253 is an equidigital number, since it uses as much as digits as its factorization.

63042635263253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798008041386.

The product of its (nonzero) digits is 13996800, while the sum is 50.

Adding to 63042635263253 its reverse (35236253624036), we get a palindrome (98278888887289).

The spelling of 63042635263253 in words is "sixty-three trillion, forty-two billion, six hundred thirty-five million, two hundred sixty-three thousand, two hundred fifty-three".