631453274452048 has 20 divisors (see below), whose sum is σ = 1223752106677140. Its totient is φ = 315646279180544.

The previous prime is 631453274451971. The next prime is 631453274452093. The reversal of 631453274452048 is 840254472354136.

It can be written as a sum of positive squares in 2 ways, for example, as 263621074633744 + 367832199818304 = 16236412^2 + 19178952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 631453274451983 and 631453274452001.

It is a congruent number.

It is an unprimeable number.

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, 5022313015 + ... + 5022438742.

It is an arithmetic number, because the mean of its divisors is an integer number (61187605333857).

Almost surely, 2^{631453274452048} is an apocalyptic number.

It is an amenable number.

631453274452048 is a deficient number, since it is larger than the sum of its proper divisors (592298832225092).

631453274452048 is a wasteful number, since it uses less digits than its factorization.

631453274452048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044755694 (or 10044755688 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 58.

The spelling of 631453274452048 in words is "six hundred thirty-one trillion, four hundred fifty-three billion, two hundred seventy-four million, four hundred fifty-two thousand, forty-eight".