10005005420447 has 16 divisors (see below), whose sum is σ = 10384106342400. Its totient is φ = 9629561575200.

The previous prime is 10005005420413. The next prime is 10005005420471. The reversal of 10005005420447 is 74402450050001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10005005420447 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 (10005005420147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3338054 + ... + 5581452.

It is an arithmetic number, because the mean of its divisors is an integer number (649006646400).

Almost surely, 2^{10005005420447} is an apocalyptic number.

10005005420447 is a deficient number, since it is larger than the sum of its proper divisors (379100921953).

10005005420447 is a wasteful number, since it uses less digits than its factorization.

10005005420447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244214.

The product of its (nonzero) digits is 22400, while the sum is 32.

Adding to 10005005420447 its reverse (74402450050001), we get a palindrome (84407455470448).

The spelling of 10005005420447 in words is "ten trillion, five billion, five million, four hundred twenty thousand, four hundred forty-seven".