241138734721 has 4 divisors (see below), whose sum is σ = 241140030912. Its totient is φ = 241137438532.

The previous prime is 241138734677. The next prime is 241138734751. The reversal of 241138734721 is 127437831142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 241138734721 - 2²¹ = 241136637569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241138734751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310381 + ... + 760666.

It is an arithmetic number, because the mean of its divisors is an integer number (60285007728).

Almost surely, 2^241138734721 is an apocalyptic number.

It is an amenable number.

241138734721 is a deficient number, since it is larger than the sum of its proper divisors (1296191).

241138734721 is a wasteful number, since it uses less digits than its factorization.

241138734721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296190.

The product of its digits is 225792, while the sum is 43.

The spelling of 241138734721 in words is "two hundred forty-one billion, one hundred thirty-eight million, seven hundred thirty-four thousand, seven hundred twenty-one".