242953897191 has 16 divisors (see below), whose sum is σ = 325182435840. Its totient is φ = 161347459680.

The previous prime is 242953897163. The next prime is 242953897201. The reversal of 242953897191 is 191798359242.

It is not a de Polignac number, because 242953897191 - 2⁶ = 242953897127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242953897111) 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, 9948606 + ... + 9972996.

It is an arithmetic number, because the mean of its divisors is an integer number (20323902240).

Almost surely, 2^242953897191 is an apocalyptic number.

242953897191 is a deficient number, since it is larger than the sum of its proper divisors (82228538649).

242953897191 is a wasteful number, since it uses less digits than its factorization.

242953897191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37006.

The product of its digits is 9797760, while the sum is 60.

The spelling of 242953897191 in words is "two hundred forty-two billion, nine hundred fifty-three million, eight hundred ninety-seven thousand, one hundred ninety-one".