450865433993 has 32 divisors (see below), whose sum is σ = 506474470656. Its totient is φ = 398629340928.

The previous prime is 450865433987. The next prime is 450865434013. The reversal of 450865433993 is 399334568054.

It is not a de Polignac number, because 450865433993 - 2²⁴ = 450848656777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450865432993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104195996 + ... + 104200322.

It is an arithmetic number, because the mean of its divisors is an integer number (15827327208).

Almost surely, 2^450865433993 is an apocalyptic number.

450865433993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

450865433993 is a deficient number, since it is larger than the sum of its proper divisors (55609036663).

450865433993 is a wasteful number, since it uses less digits than its factorization.

450865433993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953.

The product of its (nonzero) digits is 41990400, while the sum is 59.

The spelling of 450865433993 in words is "four hundred fifty billion, eight hundred sixty-five million, four hundred thirty-three thousand, nine hundred ninety-three".