451040352201451 has 4 divisors (see below), whose sum is σ = 456108221327400. Its totient is φ = 445972483075504.

The previous prime is 451040352201409. The next prime is 451040352201499. The reversal of 451040352201451 is 154102253040154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 451040352201451 - 2²¹ = 451040350104299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451040352201451.

It is not an unprimeable number, because it can be changed into a prime (451040352271451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533934562841 + ... + 2533934563018.

It is an arithmetic number, because the mean of its divisors is an integer number (114027055331850).

Almost surely, 2^{451040352201451} is an apocalyptic number.

451040352201451 is a deficient number, since it is larger than the sum of its proper divisors (5067869125949).

451040352201451 is an equidigital number, since it uses as much as digits as its factorization.

451040352201451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067869125948.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 451040352201451 in words is "four hundred fifty-one trillion, forty billion, three hundred fifty-two million, two hundred one thousand, four hundred fifty-one".