7146445447 has 2 divisors, whose sum is σ = 7146445448. Its totient is φ = 7146445446.

The previous prime is 7146445417. The next prime is 7146445463. The reversal of 7146445447 is 7445446417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7146445447 - 2¹¹ = 7146443399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7146445397 and 7146445406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7146445417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3573222723 + 3573222724.

It is an arithmetic number, because the mean of its divisors is an integer number (3573222724).

Almost surely, 2^7146445447 is an apocalyptic number.

7146445447 is a deficient number, since it is larger than the sum of its proper divisors (1).

7146445447 is an equidigital number, since it uses as much as digits as its factorization.

7146445447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1505280, while the sum is 46.

The square root of 7146445447 is about 84536.6515009910. The cubic root of 7146445447 is about 1926.1792243610.

The spelling of 7146445447 in words is "seven billion, one hundred forty-six million, four hundred forty-five thousand, four hundred forty-seven".