451550332651 has 12 divisors (see below), whose sum is σ = 498826342000. Its totient is φ = 408437465040.

The previous prime is 451550332603. The next prime is 451550332663. The reversal of 451550332651 is 156233055154.

It is a happy number.

It is not a de Polignac number, because 451550332651 - 2¹¹ = 451550330603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451550332351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9352356 + ... + 9400513.

Almost surely, 2^451550332651 is an apocalyptic number.

451550332651 is a deficient number, since it is larger than the sum of its proper divisors (47276009349).

451550332651 is a wasteful number, since it uses less digits than its factorization.

451550332651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18753090 (or 18753079 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 451550332651 in words is "four hundred fifty-one billion, five hundred fifty million, three hundred thirty-two thousand, six hundred fifty-one".