450362981391 has 16 divisors (see below), whose sum is σ = 621275230560. Its totient is φ = 289849190400.

The previous prime is 450362981363. The next prime is 450362981399. The reversal of 450362981391 is 193189263054.

It is not a de Polignac number, because 450362981391 - 2¹¹ = 450362979343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450362981399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293091 + ... + 993291.

It is an arithmetic number, because the mean of its divisors is an integer number (38829701910).

Almost surely, 2^450362981391 is an apocalyptic number.

450362981391 is a deficient number, since it is larger than the sum of its proper divisors (170912249169).

450362981391 is a wasteful number, since it uses less digits than its factorization.

450362981391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707626.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 450362981391 in words is "four hundred fifty billion, three hundred sixty-two million, nine hundred eighty-one thousand, three hundred ninety-one".