63476860853 has 4 divisors (see below), whose sum is σ = 72544983840. Its totient is φ = 54408737868.

The previous prime is 63476860849. The next prime is 63476860861. The reversal of 63476860853 is 35806867436.

63476860853 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 63476860853 - 2² = 63476860849 is a prime.

It is a super-2 number, since 2×63476860853² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63476860253) 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, 4534061483 + ... + 4534061496.

It is an arithmetic number, because the mean of its divisors is an integer number (18136245960).

Almost surely, 2^63476860853 is an apocalyptic number.

It is an amenable number.

63476860853 is a deficient number, since it is larger than the sum of its proper divisors (9068122987).

63476860853 is an equidigital number, since it uses as much as digits as its factorization.

63476860853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068122986.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 63476860853 in words is "sixty-three billion, four hundred seventy-six million, eight hundred sixty thousand, eight hundred fifty-three".