4705142009 has 2 divisors, whose sum is σ = 4705142010. Its totient is φ = 4705142008.

The previous prime is 4705141999. The next prime is 4705142011. The reversal of 4705142009 is 9002415074.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3934801984 + 770340025 = 62728^2 + 27755^2 .

It is a cyclic number.

It is not a de Polignac number, because 4705142009 - 2²⁸ = 4436706553 is a prime.

It is a super-2 number, since 2×4705142009² = 44276722649713112162, which contains 22 as substring.

Together with 4705142011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4705142509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2352571004 + 2352571005.

It is an arithmetic number, because the mean of its divisors is an integer number (2352571005).

Almost surely, 2^4705142009 is an apocalyptic number.

It is an amenable number.

4705142009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4705142009 is an equidigital number, since it uses as much as digits as its factorization.

4705142009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 4705142009 is about 68594.0377073693. The cubic root of 4705142009 is about 1675.6793275081.

The spelling of 4705142009 in words is "four billion, seven hundred five million, one hundred forty-two thousand, nine".