7148440427 has 2 divisors, whose sum is σ = 7148440428. Its totient is φ = 7148440426.

The previous prime is 7148440417. The next prime is 7148440493. The reversal of 7148440427 is 7240448417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7148440427 - 2⁶ = 7148440363 is a prime.

It is a super-2 number, since 2×7148440427² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7148440417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574220213 + 3574220214.

It is an arithmetic number, because the mean of its divisors is an integer number (3574220214).

Almost surely, 2^7148440427 is an apocalyptic number.

7148440427 is a deficient number, since it is larger than the sum of its proper divisors (1).

7148440427 is an equidigital number, since it uses as much as digits as its factorization.

7148440427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200704, while the sum is 41.

The square root of 7148440427 is about 84548.4501750328. The cubic root of 7148440427 is about 1926.3584431321.

The spelling of 7148440427 in words is "seven billion, one hundred forty-eight million, four hundred forty thousand, four hundred twenty-seven".