1013606647 has 4 divisors (see below), whose sum is σ = 1013883640. Its totient is φ = 1013329656.

The previous prime is 1013606639. The next prime is 1013606663. The reversal of 1013606647 is 7466063101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013606647 - 2³ = 1013606639 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 (1013606047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132933 + ... + 140350.

It is an arithmetic number, because the mean of its divisors is an integer number (253470910).

Almost surely, 2^1013606647 is an apocalyptic number.

1013606647 is a deficient number, since it is larger than the sum of its proper divisors (276993).

1013606647 is an equidigital number, since it uses as much as digits as its factorization.

1013606647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276992.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1013606647 is about 31837.1896843927. The cubic root of 1013606647 is about 1004.5151319015.

Adding to 1013606647 its reverse (7466063101), we get a palindrome (8479669748).

The spelling of 1013606647 in words is "one billion, thirteen million, six hundred six thousand, six hundred forty-seven".