202538643097 has 16 divisors (see below), whose sum is σ = 238000092160. Its totient is φ = 168719744448.

The previous prime is 202538643061. The next prime is 202538643133. The reversal of 202538643097 is 790346835202.

It is an interprime number because it is at equal distance from previous prime (202538643061) and next prime (202538643133).

It is a cyclic number.

It is not a de Polignac number, because 202538643097 - 2¹¹ = 202538641049 is a prime.

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 202538643097.

It is not an unprimeable number, because it can be changed into a prime (202538643017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218697 + ... + 672982.

It is an arithmetic number, because the mean of its divisors is an integer number (14875005760).

Almost surely, 2^202538643097 is an apocalyptic number.

It is an amenable number.

202538643097 is a deficient number, since it is larger than the sum of its proper divisors (35461449063).

202538643097 is an equidigital number, since it uses as much as digits as its factorization.

202538643097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892600.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 202538643097 in words is "two hundred two billion, five hundred thirty-eight million, six hundred forty-three thousand, ninety-seven".