656101006013 has 4 divisors (see below), whose sum is σ = 660029754720. Its totient is φ = 652172257308.

The previous prime is 656101006003. The next prime is 656101006061. The reversal of 656101006013 is 310600101656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 656101006013 - 2¹⁰ = 656101004989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656101006003) 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, 1964374103 + ... + 1964374436.

It is an arithmetic number, because the mean of its divisors is an integer number (165007438680).

Almost surely, 2^656101006013 is an apocalyptic number.

It is an amenable number.

656101006013 is a deficient number, since it is larger than the sum of its proper divisors (3928748707).

656101006013 is a wasteful number, since it uses less digits than its factorization.

656101006013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928748706.

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 656101006013 its reverse (310600101656), we get a palindrome (966701107669).

The spelling of 656101006013 in words is "six hundred fifty-six billion, one hundred one million, six thousand, thirteen".