3557663443 has 2 divisors, whose sum is σ = 3557663444. Its totient is φ = 3557663442.

The previous prime is 3557663401. The next prime is 3557663477. The reversal of 3557663443 is 3443667553.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3557663443 - 2¹⁷ = 3557532371 is a prime.

It is a super-2 number, since 2×3557663443² = 25313938347317228498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3557663393 and 3557663402.

It is not a weakly prime, because it can be changed into another prime (3557663143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778831721 + 1778831722.

It is an arithmetic number, because the mean of its divisors is an integer number (1778831722).

Almost surely, 2^3557663443 is an apocalyptic number.

3557663443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3557663443 is an equidigital number, since it uses as much as digits as its factorization.

3557663443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 46.

The square root of 3557663443 is about 59646.1519546735. The cubic root of 3557663443 is about 1526.5872132511.

The spelling of 3557663443 in words is "three billion, five hundred fifty-seven million, six hundred sixty-three thousand, four hundred forty-three".