202698948841 has 27 divisors (see below), whose sum is σ = 211951366263. Its totient is φ = 193847153760.

The previous prime is 202698948833. The next prime is 202698948847. The reversal of 202698948841 is 148849896202.

The square root of 202698948841 is 450221.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9767171241 + 192931777600 = 98829^2 + 439240^2 .

It is not a de Polignac number, because 202698948841 - 2³ = 202698948833 is a prime.

It is a super-2 number, since 2×202698948841² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202698948841.

It is not an unprimeable number, because it can be changed into a prime (202698948847) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1458265750 + ... + 1458265888.

Almost surely, 2^202698948841 is an apocalyptic number.

202698948841 is the 450221-st square number.

202698948841 is the 225111-st centered octagonal number.

It is an amenable number.

202698948841 is a deficient number, since it is larger than the sum of its proper divisors (9252417422).

202698948841 is an frugal number, since it uses more digits than its factorization.

202698948841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 202698948841 in words is "two hundred two billion, six hundred ninety-eight million, nine hundred forty-eight thousand, eight hundred forty-one".