453936249709 has 16 divisors (see below), whose sum is σ = 474862856832. Its totient is φ = 433109971008.

The previous prime is 453936249703. The next prime is 453936249721. The reversal of 453936249709 is 907942639354.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453936249709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453936249703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18986767 + ... + 19010659.

It is an arithmetic number, because the mean of its divisors is an integer number (29678928552).

Almost surely, 2^453936249709 is an apocalyptic number.

It is an amenable number.

453936249709 is a deficient number, since it is larger than the sum of its proper divisors (20926607123).

453936249709 is a wasteful number, since it uses less digits than its factorization.

453936249709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25956.

The product of its (nonzero) digits is 44089920, while the sum is 61.

The spelling of 453936249709 in words is "four hundred fifty-three billion, nine hundred thirty-six million, two hundred forty-nine thousand, seven hundred nine".