652645450601207 has 4 divisors (see below), whose sum is σ = 745880514972816. Its totient is φ = 559410386229600.

The previous prime is 652645450601203. The next prime is 652645450601213. The reversal of 652645450601207 is 702106054546256.

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 652645450601207 - 2² = 652645450601203 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 (652645450601203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46617532185794 + ... + 46617532185807.

It is an arithmetic number, because the mean of its divisors is an integer number (186470128743204).

Almost surely, 2^{652645450601207} is an apocalyptic number.

652645450601207 is a deficient number, since it is larger than the sum of its proper divisors (93235064371609).

652645450601207 is an equidigital number, since it uses as much as digits as its factorization.

652645450601207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93235064371608.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 652645450601207 in words is "six hundred fifty-two trillion, six hundred forty-five billion, four hundred fifty million, six hundred one thousand, two hundred seven".