349865052253 has 8 divisors (see below), whose sum is σ = 371964814848. Its totient is φ = 328339309584.

The previous prime is 349865052197. The next prime is 349865052283. The reversal of 349865052253 is 352250568943.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349865052253 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 349865052253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349865052283) 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, 143503725 + ... + 143506162.

It is an arithmetic number, because the mean of its divisors is an integer number (46495601856).

Almost surely, 2^349865052253 is an apocalyptic number.

It is an amenable number.

349865052253 is a deficient number, since it is larger than the sum of its proper divisors (22099762595).

349865052253 is a wasteful number, since it uses less digits than its factorization.

349865052253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287009963.

The product of its (nonzero) digits is 7776000, while the sum is 52.

The spelling of 349865052253 in words is "three hundred forty-nine billion, eight hundred sixty-five million, fifty-two thousand, two hundred fifty-three".