63512053361 has 4 divisors (see below), whose sum is σ = 63519826800. Its totient is φ = 63504279924.

The previous prime is 63512053357. The next prime is 63512053387. The reversal of 63512053361 is 16335021536.

63512053361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63512053361 - 2² = 63512053357 is a prime.

It is a super-2 number, since 2×63512053361² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63512053061) 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, 3874451 + ... + 3890808.

It is an arithmetic number, because the mean of its divisors is an integer number (15879956700).

Almost surely, 2^63512053361 is an apocalyptic number.

It is an amenable number.

63512053361 is a deficient number, since it is larger than the sum of its proper divisors (7773439).

63512053361 is an equidigital number, since it uses as much as digits as its factorization.

63512053361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773438.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 63512053361 its reverse (16335021536), we get a palindrome (79847074897).

The spelling of 63512053361 in words is "sixty-three billion, five hundred twelve million, fifty-three thousand, three hundred sixty-one".