2142100029 has 4 divisors (see below), whose sum is σ = 2856133376. Its totient is φ = 1428066684.

The previous prime is 2142100027. The next prime is 2142100039. The reversal of 2142100029 is 9200012412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2142100029 - 2¹ = 2142100027 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2142099978 and 2142100014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142100027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357016669 + ... + 357016674.

It is an arithmetic number, because the mean of its divisors is an integer number (714033344).

Almost surely, 2^2142100029 is an apocalyptic number.

It is an amenable number.

2142100029 is a deficient number, since it is larger than the sum of its proper divisors (714033347).

2142100029 is an equidigital number, since it uses as much as digits as its factorization.

2142100029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714033346.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2142100029 is about 46282.8265018462. The cubic root of 2142100029 is about 1289.0801344406.

The spelling of 2142100029 in words is "two billion, one hundred forty-two million, one hundred thousand, twenty-nine".