2029442645 has 16 divisors (see below), whose sum is σ = 2449864560. Its totient is φ = 1613896704.

The previous prime is 2029442599. The next prime is 2029442689. The reversal of 2029442645 is 5462449202.

It can be written as a sum of positive squares in 8 ways, for example, as 145709041 + 1883733604 = 12071^2 + 43402^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029442645 - 2⁶ = 2029442581 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2029442599 and 2029442608.

It is a congruent number.

It is an unprimeable number.

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, 626891 + ... + 630119.

It is an arithmetic number, because the mean of its divisors is an integer number (153116535).

Almost surely, 2^2029442645 is an apocalyptic number.

It is an amenable number.

2029442645 is a deficient number, since it is larger than the sum of its proper divisors (420421915).

2029442645 is a wasteful number, since it uses less digits than its factorization.

2029442645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 2029442645 is about 45049.3356776768. The cubic root of 2029442645 is about 1266.0735251171.

The spelling of 2029442645 in words is "two billion, twenty-nine million, four hundred forty-two thousand, six hundred forty-five".