211942753293 has 8 divisors (see below), whose sum is σ = 284069869056. Its totient is φ = 140555403200.

The previous prime is 211942753289. The next prime is 211942753313. The reversal of 211942753293 is 392357249112.

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

It is a cyclic number.

It is not a de Polignac number, because 211942753293 - 2² = 211942753289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211942753223) 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, 184940748 + ... + 184941893.

It is an arithmetic number, because the mean of its divisors is an integer number (35508733632).

Almost surely, 2^211942753293 is an apocalyptic number.

It is an amenable number.

211942753293 is a deficient number, since it is larger than the sum of its proper divisors (72127115763).

211942753293 is a wasteful number, since it uses less digits than its factorization.

211942753293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369882835.

The product of its digits is 816480, while the sum is 48.

The spelling of 211942753293 in words is "two hundred eleven billion, nine hundred forty-two million, seven hundred fifty-three thousand, two hundred ninety-three".