1153604647 has 6 divisors (see below), whose sum is σ = 1249169712. Its totient is φ = 1064865672.

The previous prime is 1153604609. The next prime is 1153604651. The reversal of 1153604647 is 7464063511.

It is not a de Polignac number, because 1153604647 - 2¹⁹ = 1153080359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153604657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3412863 + ... + 3413200.

It is an arithmetic number, because the mean of its divisors is an integer number (208194952).

Almost surely, 2^1153604647 is an apocalyptic number.

1153604647 is a deficient number, since it is larger than the sum of its proper divisors (95565065).

1153604647 is an equidigital number, since it uses as much as digits as its factorization.

1153604647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826089 (or 6826076 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1153604647 is about 33964.7559537824. The cubic root of 1153604647 is about 1048.7830639038.

The spelling of 1153604647 in words is "one billion, one hundred fifty-three million, six hundred four thousand, six hundred forty-seven".