652834535877649 has 2 divisors, whose sum is σ = 652834535877650. Its totient is φ = 652834535877648.

The previous prime is 652834535877599. The next prime is 652834535877679. The reversal of 652834535877649 is 946778535438256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546607192455424 + 106227343422225 = 23379632^2 + 10306665^2 .

It is a cyclic number.

It is not a de Polignac number, because 652834535877649 - 2⁴⁷ = 512097047522321 is a prime.

It is not a weakly prime, because it can be changed into another prime (652834535877679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326417267938824 + 326417267938825.

It is an arithmetic number, because the mean of its divisors is an integer number (326417267938825).

Almost surely, 2^{652834535877649} is an apocalyptic number.

It is an amenable number.

652834535877649 is a deficient number, since it is larger than the sum of its proper divisors (1).

652834535877649 is an equidigital number, since it uses as much as digits as its factorization.

652834535877649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304000, while the sum is 82.

The spelling of 652834535877649 in words is "six hundred fifty-two trillion, eight hundred thirty-four billion, five hundred thirty-five million, eight hundred seventy-seven thousand, six hundred forty-nine".