4268823561 has 12 divisors (see below), whose sum is σ = 6168820788. Its totient is φ = 2844616704.

The previous prime is 4268823541. The next prime is 4268823589. The reversal of 4268823561 is 1653288624.

4268823561 is a `hidden beast` number, since 4 + 2 + 6 + 8 + 82 + 3 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2044757961 + 2224065600 = 45219^2 + 47160^2 .

It is not a de Polignac number, because 4268823561 - 2¹⁷ = 4268692489 is a prime.

It is a super-3 number, since 3×4268823561³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4268823511) 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, 83880 + ... + 124793.

It is an arithmetic number, because the mean of its divisors is an integer number (514068399).

Almost surely, 2^4268823561 is an apocalyptic number.

It is an amenable number.

4268823561 is a deficient number, since it is larger than the sum of its proper divisors (1899997227).

4268823561 is a wasteful number, since it uses less digits than its factorization.

4268823561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210952 (or 210949 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 4268823561 is about 65336.2346711226. The cubic root of 4268823561 is about 1622.1937916747.

The spelling of 4268823561 in words is "four billion, two hundred sixty-eight million, eight hundred twenty-three thousand, five hundred sixty-one".