2105428029 has 8 divisors (see below), whose sum is σ = 2813328672. Its totient is φ = 1400573040.

The previous prime is 2105428007. The next prime is 2105428051. The reversal of 2105428029 is 9208245012.

It is an interprime number because it is at equal distance from previous prime (2105428007) and next prime (2105428051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2105428029 - 2¹⁵ = 2105395261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105428229) 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 7 ways as a sum of consecutive naturals, for example, 759799 + ... + 762564.

It is an arithmetic number, because the mean of its divisors is an integer number (351666084).

Almost surely, 2^2105428029 is an apocalyptic number.

It is an amenable number.

2105428029 is a deficient number, since it is larger than the sum of its proper divisors (707900643).

2105428029 is a wasteful number, since it uses less digits than its factorization.

2105428029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522827.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2105428029 is about 45884.9433801547. The cubic root of 2105428029 is about 1281.6815523663.

The spelling of 2105428029 in words is "two billion, one hundred five million, four hundred twenty-eight thousand, twenty-nine".