434452521999 has 4 divisors (see below), whose sum is σ = 579270029336. Its totient is φ = 289635014664.

The previous prime is 434452521977. The next prime is 434452522013. The reversal of 434452521999 is 999125254434.

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

It is not a de Polignac number, because 434452521999 - 2⁵ = 434452521967 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 (434452521929) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 72408753664 + ... + 72408753669.

It is an arithmetic number, because the mean of its divisors is an integer number (144817507334).

Almost surely, 2^434452521999 is an apocalyptic number.

434452521999 is a deficient number, since it is larger than the sum of its proper divisors (144817507337).

434452521999 is a wasteful number, since it uses less digits than its factorization.

434452521999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144817507336.

The product of its digits is 13996800, while the sum is 57.

The spelling of 434452521999 in words is "four hundred thirty-four billion, four hundred fifty-two million, five hundred twenty-one thousand, nine hundred ninety-nine".