2042820429 has 16 divisors (see below), whose sum is σ = 2936637312. Its totient is φ = 1255681728.

The previous prime is 2042820421. The next prime is 2042820457. The reversal of 2042820429 is 9240282402.

It is a happy number.

It is not a de Polignac number, because 2042820429 - 2³ = 2042820421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2042820429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042820421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5067 + ... + 64119.

It is an arithmetic number, because the mean of its divisors is an integer number (183539832).

Almost surely, 2^2042820429 is an apocalyptic number.

It is an amenable number.

2042820429 is a deficient number, since it is larger than the sum of its proper divisors (893816883).

2042820429 is a wasteful number, since it uses less digits than its factorization.

2042820429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59956.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 2042820429 is about 45197.5710519935. The cubic root of 2042820429 is about 1268.8493575065.

The spelling of 2042820429 in words is "two billion, forty-two million, eight hundred twenty thousand, four hundred twenty-nine".