210202441433993 has 4 divisors (see below), whose sum is σ = 212062640030868. Its totient is φ = 208342242837120.

The previous prime is 210202441433987. The next prime is 210202441434077. The reversal of 210202441433993 is 399334144202012.

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 15363640443904 + 194838800990089 = 3919648^2 + 13958467^2 .

It is a cyclic number.

It is not a de Polignac number, because 210202441433993 - 2²⁰ = 210202440385417 is a prime.

It is a super-2 number, since 2×210202441433993² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210202441433903) 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, 930099298268 + ... + 930099298493.

It is an arithmetic number, because the mean of its divisors is an integer number (53015660007717).

Almost surely, 2^{210202441433993} is an apocalyptic number.

It is an amenable number.

210202441433993 is a deficient number, since it is larger than the sum of its proper divisors (1860198596875).

210202441433993 is a wasteful number, since it uses less digits than its factorization.

210202441433993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860198596874.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 210202441433993 in words is "two hundred ten trillion, two hundred two billion, four hundred forty-one million, four hundred thirty-three thousand, nine hundred ninety-three".