4061942309 has 2 divisors, whose sum is σ = 4061942310. Its totient is φ = 4061942308.

The previous prime is 4061942281. The next prime is 4061942377. The reversal of 4061942309 is 9032491604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2416017409 + 1645924900 = 49153^2 + 40570^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061942309 - 2¹² = 4061938213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4061942509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2030971154 + 2030971155.

It is an arithmetic number, because the mean of its divisors is an integer number (2030971155).

Almost surely, 2^4061942309 is an apocalyptic number.

It is an amenable number.

4061942309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4061942309 is an equidigital number, since it uses as much as digits as its factorization.

4061942309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 4061942309 is about 63733.3688816149. The cubic root of 4061942309 is about 1595.5530567028.

It can be divided in two parts, 40619 and 42309, that added together give a palindrome (82928).

The spelling of 4061942309 in words is "four billion, sixty-one million, nine hundred forty-two thousand, three hundred nine".