210202433434129 has 4 divisors (see below), whose sum is σ = 222567282459684. Its totient is φ = 197837584408576.

The previous prime is 210202433434099. The next prime is 210202433434171. The reversal of 210202433434129 is 921434334202012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 174559718531025 + 35642714903104 = 13212105^2 + 5970152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210202433434129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210202433434091 and 210202433434100.

It is not an unprimeable number, because it can be changed into a prime (210202434434129) 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, 6182424512752 + ... + 6182424512785.

It is an arithmetic number, because the mean of its divisors is an integer number (55641820614921).

Almost surely, 2^{210202433434129} is an apocalyptic number.

It is an amenable number.

210202433434129 is a deficient number, since it is larger than the sum of its proper divisors (12364849025555).

210202433434129 is a wasteful number, since it uses less digits than its factorization.

210202433434129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12364849025554.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 210202433434129 in words is "two hundred ten trillion, two hundred two billion, four hundred thirty-three million, four hundred thirty-four thousand, one hundred twenty-nine".