4020590074243 has 2 divisors, whose sum is σ = 4020590074244. Its totient is φ = 4020590074242.

The previous prime is 4020590074219. The next prime is 4020590074337. The reversal of 4020590074243 is 3424700950204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020590074243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4020590074196 and 4020590074205.

It is not a weakly prime, because it can be changed into another prime (4020590074343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010295037121 + 2010295037122.

It is an arithmetic number, because the mean of its divisors is an integer number (2010295037122).

Almost surely, 2^{4020590074243} is an apocalyptic number.

4020590074243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020590074243 is an equidigital number, since it uses as much as digits as its factorization.

4020590074243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 4020590074243 in words is "four trillion, twenty billion, five hundred ninety million, seventy-four thousand, two hundred forty-three".