1013104432643 has 4 divisors (see below), whose sum is σ = 1036665000888. Its totient is φ = 989543864400.

The previous prime is 1013104432631. The next prime is 1013104432663. The reversal of 1013104432643 is 3462344013101.

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 1013104432643 - 2⁸ = 1013104432387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013104432663) 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, 11780284058 + ... + 11780284143.

It is an arithmetic number, because the mean of its divisors is an integer number (259166250222).

Almost surely, 2^{1013104432643} is an apocalyptic number.

1013104432643 is a deficient number, since it is larger than the sum of its proper divisors (23560568245).

1013104432643 is an equidigital number, since it uses as much as digits as its factorization.

1013104432643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23560568244.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 1013104432643 its reverse (3462344013101), we get a palindrome (4475448445744).

The spelling of 1013104432643 in words is "one trillion, thirteen billion, one hundred four million, four hundred thirty-two thousand, six hundred forty-three".