653448463 has 2 divisors, whose sum is σ = 653448464. Its totient is φ = 653448462.

The previous prime is 653448407. The next prime is 653448493. The reversal of 653448463 is 364844356.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653448463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653448493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326724231 + 326724232.

It is an arithmetic number, because the mean of its divisors is an integer number (326724232).

Almost surely, 2^653448463 is an apocalyptic number.

653448463 is a deficient number, since it is larger than the sum of its proper divisors (1).

653448463 is an equidigital number, since it uses as much as digits as its factorization.

653448463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 43.

The square root of 653448463 is about 25562.6380289672. The cubic root of 653448463 is about 867.7682983353.

The spelling of 653448463 in words is "six hundred fifty-three million, four hundred forty-eight thousand, four hundred sixty-three".