450861347493 has 48 divisors (see below), whose sum is σ = 684105879600. Its totient is φ = 285754613760.

The previous prime is 450861347479. The next prime is 450861347549. The reversal of 450861347493 is 394743168054.

450861347493 is a `hidden beast` number, since 4 + 5 + 0 + 86 + 1 + 3 + 474 + 93 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1126139364 + 449735208129 = 33558^2 + 670623^2 .

It is not a de Polignac number, because 450861347493 - 2⁶ = 450861347429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450861347593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5557921 + ... + 5638457.

It is an arithmetic number, because the mean of its divisors is an integer number (14252205825).

Almost surely, 2^450861347493 is an apocalyptic number.

It is an amenable number.

450861347493 is a deficient number, since it is larger than the sum of its proper divisors (233244532107).

450861347493 is a wasteful number, since it uses less digits than its factorization.

450861347493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80902 (or 80899 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 450861347493 in words is "four hundred fifty billion, eight hundred sixty-one million, three hundred forty-seven thousand, four hundred ninety-three".