63452261251013 has 4 divisors (see below), whose sum is σ = 63464442531180. Its totient is φ = 63440079970848.

The previous prime is 63452261250967. The next prime is 63452261251073. The reversal of 63452261251013 is 31015216225436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47005805542084 + 16446455708929 = 6856078^2 + 4055423^2 .

It is a cyclic number.

It is not a de Polignac number, because 63452261251013 - 2³⁴ = 63435081381829 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 (63452261251073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6090632270 + ... + 6090642687.

It is an arithmetic number, because the mean of its divisors is an integer number (15866110632795).

Almost surely, 2^{63452261251013} is an apocalyptic number.

It is an amenable number.

63452261251013 is a deficient number, since it is larger than the sum of its proper divisors (12181280167).

63452261251013 is a wasteful number, since it uses less digits than its factorization.

63452261251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12181280166.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 63452261251013 its reverse (31015216225436), we get a palindrome (94467477476449).

The spelling of 63452261251013 in words is "sixty-three trillion, four hundred fifty-two billion, two hundred sixty-one million, two hundred fifty-one thousand, thirteen".