451986789689 has 8 divisors (see below), whose sum is σ = 478761896448. Its totient is φ = 425232532800.

The previous prime is 451986789659. The next prime is 451986789721. The reversal of 451986789689 is 986987689154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 451986789689 - 2⁸ = 451986789433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451986789649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5167817 + ... + 5254550.

It is an arithmetic number, because the mean of its divisors is an integer number (59845237056).

Almost surely, 2^451986789689 is an apocalyptic number.

It is an amenable number.

451986789689 is a deficient number, since it is larger than the sum of its proper divisors (26775106759).

451986789689 is a wasteful number, since it uses less digits than its factorization.

451986789689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424935.

The product of its digits is 1881169920, while the sum is 80.

The spelling of 451986789689 in words is "four hundred fifty-one billion, nine hundred eighty-six million, seven hundred eighty-nine thousand, six hundred eighty-nine".