42044250734449 has 2 divisors, whose sum is σ = 42044250734450. Its totient is φ = 42044250734448.

The previous prime is 42044250734443. The next prime is 42044250734461. The reversal of 42044250734449 is 94443705244024.

42044250734449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35014498463025 + 7029752271424 = 5917305^2 + 2651368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42044250734449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42044250734396 and 42044250734405.

It is not a weakly prime, because it can be changed into another prime (42044250734443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022125367224 + 21022125367225.

It is an arithmetic number, because the mean of its divisors is an integer number (21022125367225).

Almost surely, 2^{42044250734449} is an apocalyptic number.

It is an amenable number.

42044250734449 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044250734449 is an equidigital number, since it uses as much as digits as its factorization.

42044250734449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15482880, while the sum is 52.

The spelling of 42044250734449 in words is "forty-two trillion, forty-four billion, two hundred fifty million, seven hundred thirty-four thousand, four hundred forty-nine".