451631533748 has 6 divisors (see below), whose sum is σ = 790355184066. Its totient is φ = 225815766872.

The previous prime is 451631533741. The next prime is 451631533757. The reversal of 451631533748 is 847335136154.

It can be written as a sum of positive squares in only one way, i.e., 448005326224 + 3626207524 = 669332^2 + 60218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451631533696 and 451631533705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451631533741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56453941715 + ... + 56453941722.

It is an arithmetic number, because the mean of its divisors is an integer number (131725864011).

Almost surely, 2^451631533748 is an apocalyptic number.

It is an amenable number.

451631533748 is a deficient number, since it is larger than the sum of its proper divisors (338723650318).

451631533748 is a wasteful number, since it uses less digits than its factorization.

451631533748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112907883441 (or 112907883439 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The spelling of 451631533748 in words is "four hundred fifty-one billion, six hundred thirty-one million, five hundred thirty-three thousand, seven hundred forty-eight".