242013606773531 has 4 divisors (see below), whose sum is σ = 243462790047792. Its totient is φ = 240564423499272.

The previous prime is 242013606773459. The next prime is 242013606773641. The reversal of 242013606773531 is 135377606310242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242013606773531 - 2¹⁰ = 242013606772507 is a prime.

It is a super-2 number, since 2×242013606773531² (a number of 30 digits) contains 22 as substring.

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 242013606773531.

It is not an unprimeable number, because it can be changed into a prime (242013696773531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724591636880 + ... + 724591637213.

It is an arithmetic number, because the mean of its divisors is an integer number (60865697511948).

Almost surely, 2^{242013606773531} is an apocalyptic number.

242013606773531 is a deficient number, since it is larger than the sum of its proper divisors (1449183274261).

242013606773531 is a wasteful number, since it uses less digits than its factorization.

242013606773531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449183274260.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 242013606773531 in words is "two hundred forty-two trillion, thirteen billion, six hundred six million, seven hundred seventy-three thousand, five hundred thirty-one".