63876670453 has 4 divisors (see below), whose sum is σ = 64342923660. Its totient is φ = 63410417248.

The previous prime is 63876670427. The next prime is 63876670523. The reversal of 63876670453 is 35407667836.

It is a happy number.

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 50826349809 + 13050320644 = 225447^2 + 114238^2 .

It is a cyclic number.

It is not a de Polignac number, because 63876670453 - 2⁵ = 63876670421 is a prime.

It is a super-2 number, since 2×63876670453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63876670394 and 63876670403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63876673453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233126398 + ... + 233126671.

It is an arithmetic number, because the mean of its divisors is an integer number (16085730915).

Almost surely, 2^63876670453 is an apocalyptic number.

It is an amenable number.

63876670453 is a deficient number, since it is larger than the sum of its proper divisors (466253207).

63876670453 is a wasteful number, since it uses less digits than its factorization.

63876670453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466253206.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 63876670453 in words is "sixty-three billion, eight hundred seventy-six million, six hundred seventy thousand, four hundred fifty-three".