202243400413 has 4 divisors (see below), whose sum is σ = 207709438300. Its totient is φ = 196777362528.

The previous prime is 202243400407. The next prime is 202243400417. The reversal of 202243400413 is 314004342202.

It is a happy number.

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 190072456729 + 12170943684 = 435973^2 + 110322^2 .

It is a cyclic number.

It is not a de Polignac number, because 202243400413 - 2⁹ = 202243399901 is a prime.

It is a super-2 number, since 2×202243400413² (a number of 23 digits) 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 (202243400417) 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, 2733018888 + ... + 2733018961.

It is an arithmetic number, because the mean of its divisors is an integer number (51927359575).

Almost surely, 2^202243400413 is an apocalyptic number.

It is an amenable number.

202243400413 is a deficient number, since it is larger than the sum of its proper divisors (5466037887).

202243400413 is an equidigital number, since it uses as much as digits as its factorization.

202243400413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466037886.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202243400413 its reverse (314004342202), we get a palindrome (516247742615).

The spelling of 202243400413 in words is "two hundred two billion, two hundred forty-three million, four hundred thousand, four hundred thirteen".