652138905577 has 2 divisors, whose sum is σ = 652138905578. Its totient is φ = 652138905576.

The previous prime is 652138905571. The next prime is 652138905611. The reversal of 652138905577 is 775509831256.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432136631641 + 220002273936 = 657371^2 + 469044^2 .

It is a cyclic number.

It is not a de Polignac number, because 652138905577 - 2¹⁵ = 652138872809 is a prime.

It is a super-3 number, since 3×652138905577³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (652138905571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326069452788 + 326069452789.

It is an arithmetic number, because the mean of its divisors is an integer number (326069452789).

Almost surely, 2^652138905577 is an apocalyptic number.

It is an amenable number.

652138905577 is a deficient number, since it is larger than the sum of its proper divisors (1).

652138905577 is an equidigital number, since it uses as much as digits as its factorization.

652138905577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876000, while the sum is 58.

The spelling of 652138905577 in words is "six hundred fifty-two billion, one hundred thirty-eight million, nine hundred five thousand, five hundred seventy-seven".