7289055427 has 2 divisors, whose sum is σ = 7289055428. Its totient is φ = 7289055426.

The previous prime is 7289055413. The next prime is 7289055457. The reversal of 7289055427 is 7245509827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7289055427 - 2⁷ = 7289055299 is a prime.

It is not a weakly prime, because it can be changed into another prime (7289055407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3644527713 + 3644527714.

It is an arithmetic number, because the mean of its divisors is an integer number (3644527714).

Almost surely, 2^7289055427 is an apocalyptic number.

7289055427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7289055427 is an equidigital number, since it uses as much as digits as its factorization.

7289055427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 7289055427 is about 85375.9651599910. The cubic root of 7289055427 is about 1938.9074716979.

The spelling of 7289055427 in words is "seven billion, two hundred eighty-nine million, fifty-five thousand, four hundred twenty-seven".