202991734293 has 8 divisors (see below), whose sum is σ = 277970663328. Its totient is φ = 131670314064.

The previous prime is 202991734279. The next prime is 202991734307. The reversal of 202991734293 is 392437199202.

It is an interprime number because it is at equal distance from previous prime (202991734279) and next prime (202991734307).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202991734293 - 2⁹ = 202991733781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202991734273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914377071 + ... + 914377292.

It is an arithmetic number, because the mean of its divisors is an integer number (34746332916).

Almost surely, 2^202991734293 is an apocalyptic number.

It is an amenable number.

202991734293 is a deficient number, since it is larger than the sum of its proper divisors (74978929035).

202991734293 is a wasteful number, since it uses less digits than its factorization.

202991734293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828754403.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 202991734293 in words is "two hundred two billion, nine hundred ninety-one million, seven hundred thirty-four thousand, two hundred ninety-three".