4142020997 has 2 divisors, whose sum is σ = 4142020998. Its totient is φ = 4142020996.

The previous prime is 4142020973. The next prime is 4142020999. The reversal of 4142020997 is 7990202414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3326290276 + 815730721 = 57674^2 + 28561^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142020997 - 2⁸ = 4142020741 is a prime.

Together with 4142020999, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4142020997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4142020999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071010498 + 2071010499.

It is an arithmetic number, because the mean of its divisors is an integer number (2071010499).

Almost surely, 2^4142020997 is an apocalyptic number.

It is an amenable number.

4142020997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4142020997 is an equidigital number, since it uses as much as digits as its factorization.

4142020997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 4142020997 is about 64358.5347642409. The cubic root of 4142020997 is about 1605.9700139457.

The spelling of 4142020997 in words is "four billion, one hundred forty-two million, twenty thousand, nine hundred ninety-seven".