15234881947 has 2 divisors, whose sum is σ = 15234881948. Its totient is φ = 15234881946.

The previous prime is 15234881941. The next prime is 15234881957. The reversal of 15234881947 is 74918843251.

15234881947 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-15234881947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15234881894 and 15234881903.

It is not a weakly prime, because it can be changed into another prime (15234881941) 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, 7617440973 + 7617440974.

It is an arithmetic number, because the mean of its divisors is an integer number (7617440974).

Almost surely, 2^15234881947 is an apocalyptic number.

15234881947 is a deficient number, since it is larger than the sum of its proper divisors (1).

15234881947 is an equidigital number, since it uses as much as digits as its factorization.

15234881947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The spelling of 15234881947 in words is "fifteen billion, two hundred thirty-four million, eight hundred eighty-one thousand, nine hundred forty-seven".