652134642391 has 2 divisors, whose sum is σ = 652134642392. Its totient is φ = 652134642390.

The previous prime is 652134642349. The next prime is 652134642433. The reversal of 652134642391 is 193246431256.

It is a balanced prime because it is at equal distance from previous prime (652134642349) and next prime (652134642433).

It is a cyclic number.

It is not a de Polignac number, because 652134642391 - 2¹¹ = 652134640343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652134642791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326067321195 + 326067321196.

It is an arithmetic number, because the mean of its divisors is an integer number (326067321196).

Almost surely, 2^652134642391 is an apocalyptic number.

652134642391 is a deficient number, since it is larger than the sum of its proper divisors (1).

652134642391 is an equidigital number, since it uses as much as digits as its factorization.

652134642391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 46.

The spelling of 652134642391 in words is "six hundred fifty-two billion, one hundred thirty-four million, six hundred forty-two thousand, three hundred ninety-one".