652042720001 has 4 divisors (see below), whose sum is σ = 652093188912. Its totient is φ = 651992251092.

The previous prime is 652042719983. The next prime is 652042720003. The reversal of 652042720001 is 100027240256.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-652042720001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (652042720003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25215071 + ... + 25240916.

It is an arithmetic number, because the mean of its divisors is an integer number (163023297228).

Almost surely, 2^652042720001 is an apocalyptic number.

It is an amenable number.

652042720001 is a deficient number, since it is larger than the sum of its proper divisors (50468911).

652042720001 is a wasteful number, since it uses less digits than its factorization.

652042720001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50468910.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 652042720001 its reverse (100027240256), we get a palindrome (752069960257).

The spelling of 652042720001 in words is "six hundred fifty-two billion, forty-two million, seven hundred twenty thousand, one".