15245839447 has 2 divisors, whose sum is σ = 15245839448. Its totient is φ = 15245839446.

The previous prime is 15245839423. The next prime is 15245839471. The reversal of 15245839447 is 74493854251.

15245839447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (15245839423) and next prime (15245839471).

It is a cyclic number.

It is not a de Polignac number, because 15245839447 - 2¹⁵ = 15245806679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15245839394 and 15245839403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15245839747) 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, 7622919723 + 7622919724.

It is an arithmetic number, because the mean of its divisors is an integer number (7622919724).

Almost surely, 2^15245839447 is an apocalyptic number.

15245839447 is a deficient number, since it is larger than the sum of its proper divisors (1).

15245839447 is an equidigital number, since it uses as much as digits as its factorization.

15245839447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 52.

The spelling of 15245839447 in words is "fifteen billion, two hundred forty-five million, eight hundred thirty-nine thousand, four hundred forty-seven".