15424423443049 has 2 divisors, whose sum is σ = 15424423443050. Its totient is φ = 15424423443048.

The previous prime is 15424423443007. The next prime is 15424423443061. The reversal of 15424423443049 is 94034432442451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15406661217424 + 17762225625 = 3925132^2 + 133275^2 .

It is an emirp because it is prime and its reverse (94034432442451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15424423443049 - 2¹³ = 15424423434857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15424423442993 and 15424423443011.

It is not a weakly prime, because it can be changed into another prime (15424423443449) 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, 7712211721524 + 7712211721525.

It is an arithmetic number, because the mean of its divisors is an integer number (7712211721525).

Almost surely, 2^{15424423443049} is an apocalyptic number.

It is an amenable number.

15424423443049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15424423443049 is an equidigital number, since it uses as much as digits as its factorization.

15424423443049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6635520, while the sum is 49.

The spelling of 15424423443049 in words is "fifteen trillion, four hundred twenty-four billion, four hundred twenty-three million, four hundred forty-three thousand, forty-nine".