4243946553 has 24 divisors (see below), whose sum is σ = 7642779456. Its totient is φ = 2204647200.

The previous prime is 4243946527. The next prime is 4243946561. The reversal of 4243946553 is 3556493424.

4243946553 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 94 + 6 + 553 = 666.

It is not a de Polignac number, because 4243946553 - 2¹² = 4243942457 is a prime.

It is a super-2 number, since 2×4243946553² = 36022164689441163618, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4243946499 and 4243946508.

It is not an unprimeable number, because it can be changed into a prime (4243946513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3061318 + ... + 3062703.

It is an arithmetic number, because the mean of its divisors is an integer number (318449144).

Almost surely, 2^4243946553 is an apocalyptic number.

It is an amenable number.

4243946553 is a deficient number, since it is larger than the sum of its proper divisors (3398832903).

4243946553 is a wasteful number, since it uses less digits than its factorization.

4243946553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124045 (or 6124042 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The square root of 4243946553 is about 65145.5796888784. The cubic root of 4243946553 is about 1619.0364835195.

The spelling of 4243946553 in words is "four billion, two hundred forty-three million, nine hundred forty-six thousand, five hundred fifty-three".