450105250769 has 24 divisors (see below), whose sum is σ = 485647574400. Its totient is φ = 415709065728.

The previous prime is 450105250759. The next prime is 450105250787. The reversal of 450105250769 is 967052501054.

It is a happy number.

It is not a de Polignac number, because 450105250769 - 2²⁴ = 450088473553 is a prime.

It is a super-2 number, since 2×450105250769² (a number of 24 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450105250709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18015524 + ... + 18040490.

It is an arithmetic number, because the mean of its divisors is an integer number (20235315600).

Almost surely, 2^450105250769 is an apocalyptic number.

It is an amenable number.

450105250769 is a deficient number, since it is larger than the sum of its proper divisors (35542323631).

450105250769 is a wasteful number, since it uses less digits than its factorization.

450105250769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25329 (or 25256 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 450105250769 in words is "four hundred fifty billion, one hundred five million, two hundred fifty thousand, seven hundred sixty-nine".