5443649947 has 2 divisors, whose sum is σ = 5443649948. Its totient is φ = 5443649946.

The previous prime is 5443649923. The next prime is 5443649963. The reversal of 5443649947 is 7499463445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5443649947 - 2¹¹ = 5443647899 is a prime.

It is a super-3 number, since 3×5443649947³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5443641947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721824973 + 2721824974.

It is an arithmetic number, because the mean of its divisors is an integer number (2721824974).

Almost surely, 2^5443649947 is an apocalyptic number.

5443649947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443649947 is an equidigital number, since it uses as much as digits as its factorization.

5443649947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 55.

The square root of 5443649947 is about 73781.0947804382. The cubic root of 5443649947 is about 1759.1251190459.

The spelling of 5443649947 in words is "five billion, four hundred forty-three million, six hundred forty-nine thousand, nine hundred forty-seven".