454423431345509 has 32 divisors (see below), whose sum is σ = 481015641210624. Its totient is φ = 428444691333120.

The previous prime is 454423431345491. The next prime is 454423431345571. The reversal of 454423431345509 is 905543134324454.

It is a cyclic number.

It is not a de Polignac number, because 454423431345509 - 2¹⁶ = 454423431279973 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 (454423031345509) 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 31 ways as a sum of consecutive naturals, for example, 1525237934 + ... + 1525535840.

It is an arithmetic number, because the mean of its divisors is an integer number (15031738787832).

Almost surely, 2^{454423431345509} is an apocalyptic number.

It is an amenable number.

454423431345509 is a deficient number, since it is larger than the sum of its proper divisors (26592209865115).

454423431345509 is a wasteful number, since it uses less digits than its factorization.

454423431345509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301277.

The product of its (nonzero) digits is 62208000, while the sum is 56.

The spelling of 454423431345509 in words is "four hundred fifty-four trillion, four hundred twenty-three billion, four hundred thirty-one million, three hundred forty-five thousand, five hundred nine".