42241122041549 has 4 divisors (see below), whose sum is σ = 44725893926364. Its totient is φ = 39756350156736.

The previous prime is 42241122041533. The next prime is 42241122041603. The reversal of 42241122041549 is 94514022114224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34277336449225 + 7963785592324 = 5854685^2 + 2822018^2 .

It is a cyclic number.

It is not a de Polignac number, because 42241122041549 - 2⁴ = 42241122041533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42241122041449) 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, 1242385942382 + ... + 1242385942415.

It is an arithmetic number, because the mean of its divisors is an integer number (11181473481591).

Almost surely, 2^{42241122041549} is an apocalyptic number.

It is an amenable number.

42241122041549 is a deficient number, since it is larger than the sum of its proper divisors (2484771884815).

42241122041549 is a wasteful number, since it uses less digits than its factorization.

42241122041549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484771884814.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 42241122041549 in words is "forty-two trillion, two hundred forty-one billion, one hundred twenty-two million, forty-one thousand, five hundred forty-nine".