2129020703 has 4 divisors (see below), whose sum is σ = 2202435240. Its totient is φ = 2055606168.

The previous prime is 2129020669. The next prime is 2129020727. The reversal of 2129020703 is 3070209212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2129020703 - 2⁸ = 2129020447 is a prime.

It is a super-2 number, since 2×2129020703² = 9065458307605228418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129020793) 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, 36707225 + ... + 36707282.

It is an arithmetic number, because the mean of its divisors is an integer number (550608810).

Almost surely, 2^2129020703 is an apocalyptic number.

2129020703 is a deficient number, since it is larger than the sum of its proper divisors (73414537).

2129020703 is an equidigital number, since it uses as much as digits as its factorization.

2129020703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73414536.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2129020703 is about 46141.3123242068. The cubic root of 2129020703 is about 1286.4511361968.

Adding to 2129020703 its reverse (3070209212), we get a palindrome (5199229915).

The spelling of 2129020703 in words is "two billion, one hundred twenty-nine million, twenty thousand, seven hundred three".