454547709 has 24 divisors (see below), whose sum is σ = 818580672. Its totient is φ = 236128320.

The previous prime is 454547707. The next prime is 454547747. The reversal of 454547709 is 907745454.

It is not a de Polignac number, because 454547709 - 2¹ = 454547707 is a prime.

It is a super-2 number, since 2×454547709² = 413227239514297362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454547707) 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, 327264 + ... + 328649.

It is an arithmetic number, because the mean of its divisors is an integer number (34107528).

Almost surely, 2^454547709 is an apocalyptic number.

It is an amenable number.

454547709 is a deficient number, since it is larger than the sum of its proper divisors (364032963).

454547709 is a wasteful number, since it uses less digits than its factorization.

454547709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655937 (or 655934 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 454547709 is about 21320.1245071411. The cubic root of 454547709 is about 768.8822309918.

The spelling of 454547709 in words is "four hundred fifty-four million, five hundred forty-seven thousand, seven hundred nine".