15403242247 has 2 divisors, whose sum is σ = 15403242248. Its totient is φ = 15403242246.

The previous prime is 15403242233. The next prime is 15403242271. The reversal of 15403242247 is 74224230451.

15403242247 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15403242247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15403242847) 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 as a sum of consecutive naturals, namely, 7701621123 + 7701621124.

It is an arithmetic number, because the mean of its divisors is an integer number (7701621124).

Almost surely, 2^15403242247 is an apocalyptic number.

15403242247 is a deficient number, since it is larger than the sum of its proper divisors (1).

15403242247 is an equidigital number, since it uses as much as digits as its factorization.

15403242247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 34.

Adding to 15403242247 its reverse (74224230451), we get a palindrome (89627472698).

The spelling of 15403242247 in words is "fifteen billion, four hundred three million, two hundred forty-two thousand, two hundred forty-seven".