453642445505 has 8 divisors (see below), whose sum is σ = 544381122600. Its totient is φ = 362907164416.

The previous prime is 453642445489. The next prime is 453642445537. The reversal of 453642445505 is 505544246354.

It can be written as a sum of positive squares in 4 ways, for example, as 182783611024 + 270858834481 = 427532^2 + 520441^2 .

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 453642445505 - 2⁴ = 453642445489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 453642445505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545240 + ... + 1097529.

It is an arithmetic number, because the mean of its divisors is an integer number (68047640325).

Almost surely, 2^453642445505 is an apocalyptic number.

It is an amenable number.

453642445505 is a deficient number, since it is larger than the sum of its proper divisors (90738677095).

453642445505 is a wasteful number, since it uses less digits than its factorization.

453642445505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698003.

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 453642445505 in words is "four hundred fifty-three billion, six hundred forty-two million, four hundred forty-five thousand, five hundred five".