450926309869 has 8 divisors (see below), whose sum is σ = 515512407488. Its totient is φ = 386382225600.

The previous prime is 450926309851. The next prime is 450926309879. The reversal of 450926309869 is 968903629054.

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

It is not a de Polignac number, because 450926309869 - 2²³ = 450917921261 is a prime.

It is a super-3 number, since 3×450926309869³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450926309809) 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, 10480332 + ... + 10523269.

It is an arithmetic number, because the mean of its divisors is an integer number (64439050936).

Almost surely, 2^450926309869 is an apocalyptic number.

It is an amenable number.

450926309869 is a deficient number, since it is larger than the sum of its proper divisors (64586097619).

450926309869 is a wasteful number, since it uses less digits than its factorization.

450926309869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006675.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 450926309869 in words is "four hundred fifty billion, nine hundred twenty-six million, three hundred nine thousand, eight hundred sixty-nine".