451054180691801 has 8 divisors (see below), whose sum is σ = 454022107071624. Its totient is φ = 448091484140160.

The previous prime is 451054180691797. The next prime is 451054180691953. The reversal of 451054180691801 is 108196081450154.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5447201237776 + 445606979454025 = 2333924^2 + 21109405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 451054180691801 - 2² = 451054180691797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451054180691201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1307283986 + ... + 1307628971.

It is an arithmetic number, because the mean of its divisors is an integer number (56752763383953).

Almost surely, 2^{451054180691801} is an apocalyptic number.

It is an amenable number.

451054180691801 is a deficient number, since it is larger than the sum of its proper divisors (2967926379823).

451054180691801 is a wasteful number, since it uses less digits than its factorization.

451054180691801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614914091.

The product of its (nonzero) digits is 1382400, while the sum is 53.

The spelling of 451054180691801 in words is "four hundred fifty-one trillion, fifty-four billion, one hundred eighty million, six hundred ninety-one thousand, eight hundred one".