4142511949 has 2 divisors, whose sum is σ = 4142511950. Its totient is φ = 4142511948.

The previous prime is 4142511943. The next prime is 4142512007. The reversal of 4142511949 is 9491152414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4120356100 + 22155849 = 64190^2 + 4707^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142511949 - 2⁹ = 4142511437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4142511943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071255974 + 2071255975.

It is an arithmetic number, because the mean of its divisors is an integer number (2071255975).

Almost surely, 2^4142511949 is an apocalyptic number.

It is an amenable number.

4142511949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4142511949 is an equidigital number, since it uses as much as digits as its factorization.

4142511949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 4142511949 is about 64362.3488462004. The cubic root of 4142511949 is about 1606.0334630881.

The spelling of 4142511949 in words is "four billion, one hundred forty-two million, five hundred eleven thousand, nine hundred forty-nine".