15463928609 has 2 divisors, whose sum is σ = 15463928610. Its totient is φ = 15463928608.

The previous prime is 15463928507. The next prime is 15463928611. The reversal of 15463928609 is 90682936451.

15463928609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15457451584 + 6477025 = 124328^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 15463928609 - 2¹⁶ = 15463863073 is a prime.

Together with 15463928611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15463928009) 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, 7731964304 + 7731964305.

It is an arithmetic number, because the mean of its divisors is an integer number (7731964305).

Almost surely, 2^15463928609 is an apocalyptic number.

It is an amenable number.

15463928609 is a deficient number, since it is larger than the sum of its proper divisors (1).

15463928609 is an equidigital number, since it uses as much as digits as its factorization.

15463928609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 15463928609 in words is "fifteen billion, four hundred sixty-three million, nine hundred twenty-eight thousand, six hundred nine".