456776653 has 2 divisors, whose sum is σ = 456776654. Its totient is φ = 456776652.

The previous prime is 456776647. The next prime is 456776669. The reversal of 456776653 is 356677654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454457124 + 2319529 = 21318^2 + 1523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456776653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 456776597 and 456776606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456776603) 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 as a sum of consecutive naturals, namely, 228388326 + 228388327.

It is an arithmetic number, because the mean of its divisors is an integer number (228388327).

Almost surely, 2^456776653 is an apocalyptic number.

It is an amenable number.

456776653 is a deficient number, since it is larger than the sum of its proper divisors (1).

456776653 is an equidigital number, since it uses as much as digits as its factorization.

456776653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 49.

The square root of 456776653 is about 21372.3338220233. Note that the first 3 decimals coincide. The cubic root of 456776653 is about 770.1369593899.

The spelling of 456776653 in words is "four hundred fifty-six million, seven hundred seventy-six thousand, six hundred fifty-three".