454648643 has 2 divisors, whose sum is σ = 454648644. Its totient is φ = 454648642.

The previous prime is 454648633. The next prime is 454648657. The reversal of 454648643 is 346846454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454648643 - 2⁴ = 454648627 is a prime.

It is a super-3 number, since 3×454648643³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454648594 and 454648603.

It is not a weakly prime, because it can be changed into another prime (454648633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227324321 + 227324322.

It is an arithmetic number, because the mean of its divisors is an integer number (227324322).

Almost surely, 2^454648643 is an apocalyptic number.

454648643 is a deficient number, since it is larger than the sum of its proper divisors (1).

454648643 is an equidigital number, since it uses as much as digits as its factorization.

454648643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 44.

The square root of 454648643 is about 21322.4914820009. The cubic root of 454648643 is about 768.9391378276.

The spelling of 454648643 in words is "four hundred fifty-four million, six hundred forty-eight thousand, six hundred forty-three".