652265891391 has 16 divisors (see below), whose sum is σ = 870174609920. Its totient is φ = 434600631360.

The previous prime is 652265891377. The next prime is 652265891393. The reversal of 652265891391 is 193198562256.

It is a happy number.

It is not a de Polignac number, because 652265891391 - 2⁵ = 652265891359 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 (652265891393) 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, 58975020 + ... + 58986078.

It is an arithmetic number, because the mean of its divisors is an integer number (54385913120).

Almost surely, 2^652265891391 is an apocalyptic number.

652265891391 is a deficient number, since it is larger than the sum of its proper divisors (217908718529).

652265891391 is a wasteful number, since it uses less digits than its factorization.

652265891391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20286.

The product of its digits is 6998400, while the sum is 57.

The spelling of 652265891391 in words is "six hundred fifty-two billion, two hundred sixty-five million, eight hundred ninety-one thousand, three hundred ninety-one".