454378653 has 12 divisors (see below), whose sum is σ = 680633408. Its totient is φ = 302918940.

The previous prime is 454378651. The next prime is 454378667. The reversal of 454378653 is 356873454.

It is not a de Polignac number, because 454378653 - 2¹ = 454378651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 454378599 and 454378608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454378651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934693 + ... + 935178.

Almost surely, 2^454378653 is an apocalyptic number.

It is an amenable number.

454378653 is a deficient number, since it is larger than the sum of its proper divisors (226254755).

454378653 is an equidigital number, since it uses as much as digits as its factorization.

454378653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869886 (or 1869874 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 454378653 is about 21316.1594336316. The cubic root of 454378653 is about 768.7868979315.

The spelling of 454378653 in words is "four hundred fifty-four million, three hundred seventy-eight thousand, six hundred fifty-three".