451506433163215 has 16 divisors (see below), whose sum is σ = 546875769065472. Its totient is φ = 357826501656864.

The previous prime is 451506433163173. The next prime is 451506433163327. The reversal of 451506433163215 is 512361334605154.

It is a cyclic number.

It is not a de Polignac number, because 451506433163215 - 2³⁷ = 451368994209743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63997582 + ... + 70701508.

It is an arithmetic number, because the mean of its divisors is an integer number (34179735566592).

Almost surely, 2^{451506433163215} is an apocalyptic number.

451506433163215 is a deficient number, since it is larger than the sum of its proper divisors (95369335902257).

451506433163215 is a wasteful number, since it uses less digits than its factorization.

451506433163215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829926.

The product of its (nonzero) digits is 3888000, while the sum is 49.

Adding to 451506433163215 its reverse (512361334605154), we get a palindrome (963867767768369).

The spelling of 451506433163215 in words is "four hundred fifty-one trillion, five hundred six billion, four hundred thirty-three million, one hundred sixty-three thousand, two hundred fifteen".