4642042469 has 2 divisors, whose sum is σ = 4642042470. Its totient is φ = 4642042468.

The previous prime is 4642042421. The next prime is 4642042481. The reversal of 4642042469 is 9642402464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4524580225 + 117462244 = 67265^2 + 10838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4642042469 is a prime.

It is a super-2 number, since 2×4642042469² = 43097116567999231922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4642342469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321021234 + 2321021235.

It is an arithmetic number, because the mean of its divisors is an integer number (2321021235).

Almost surely, 2^4642042469 is an apocalyptic number.

It is an amenable number.

4642042469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642042469 is an equidigital number, since it uses as much as digits as its factorization.

4642042469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 41.

The square root of 4642042469 is about 68132.5360529021. The cubic root of 4642042469 is about 1668.1548781316.

The spelling of 4642042469 in words is "four billion, six hundred forty-two million, forty-two thousand, four hundred sixty-nine".