450212542989 has 32 divisors (see below), whose sum is σ = 663119668224. Its totient is φ = 269427598080.

The previous prime is 450212542973. The next prime is 450212542991. The reversal of 450212542989 is 989245212054.

It is not a de Polignac number, because 450212542989 - 2⁴ = 450212542973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450212542489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 988597 + ... + 1370309.

It is an arithmetic number, because the mean of its divisors is an integer number (20722489632).

Almost surely, 2^450212542989 is an apocalyptic number.

It is an amenable number.

450212542989 is a deficient number, since it is larger than the sum of its proper divisors (212907125235).

450212542989 is a wasteful number, since it uses less digits than its factorization.

450212542989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382177.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 450212542989 in words is "four hundred fifty billion, two hundred twelve million, five hundred forty-two thousand, nine hundred eighty-nine".