2069440543 has 2 divisors, whose sum is σ = 2069440544. Its totient is φ = 2069440542.

The previous prime is 2069440531. The next prime is 2069440547. The reversal of 2069440543 is 3450449602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2069440543 - 2⁵ = 2069440511 is a prime.

It is a super-2 number, since 2×2069440543² = 8565168322024269698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2069440547) 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, 1034720271 + 1034720272.

It is an arithmetic number, because the mean of its divisors is an integer number (1034720272).

Almost surely, 2^2069440543 is an apocalyptic number.

2069440543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069440543 is an equidigital number, since it uses as much as digits as its factorization.

2069440543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2069440543 is about 45491.1039984743. The cubic root of 2069440543 is about 1274.3370728816.

The spelling of 2069440543 in words is "two billion, sixty-nine million, four hundred forty thousand, five hundred forty-three".