63274544441 has 4 divisors (see below), whose sum is σ = 64620811392. Its totient is φ = 61928277492.

The previous prime is 63274544351. The next prime is 63274544449. The reversal of 63274544441 is 14444547236.

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 63274544441 - 2²² = 63270350137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63274544392 and 63274544401.

It is not an unprimeable number, because it can be changed into a prime (63274544449) 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, 673133405 + ... + 673133498.

It is an arithmetic number, because the mean of its divisors is an integer number (16155202848).

Almost surely, 2^63274544441 is an apocalyptic number.

It is an amenable number.

63274544441 is a deficient number, since it is larger than the sum of its proper divisors (1346266951).

63274544441 is a wasteful number, since it uses less digits than its factorization.

63274544441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346266950.

The product of its digits is 1290240, while the sum is 44.

The spelling of 63274544441 in words is "sixty-three billion, two hundred seventy-four million, five hundred forty-four thousand, four hundred forty-one".