5495978647 has 2 divisors, whose sum is σ = 5495978648. Its totient is φ = 5495978646.

The previous prime is 5495978629. The next prime is 5495978659. The reversal of 5495978647 is 7468795945.

5495978647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5495978647 - 2²⁷ = 5361760919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5495973647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2747989323 + 2747989324.

It is an arithmetic number, because the mean of its divisors is an integer number (2747989324).

Almost surely, 2^5495978647 is an apocalyptic number.

5495978647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5495978647 is an equidigital number, since it uses as much as digits as its factorization.

5495978647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 64.

The square root of 5495978647 is about 74134.8679569877. The cubic root of 5495978647 is about 1764.7438574118.

The spelling of 5495978647 in words is "five billion, four hundred ninety-five million, nine hundred seventy-eight thousand, six hundred forty-seven".