652306637202049 has 2 divisors, whose sum is σ = 652306637202050. Its totient is φ = 652306637202048.

The previous prime is 652306637201941. The next prime is 652306637202091. The reversal of 652306637202049 is 940202736603256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547828290455824 + 104478346746225 = 23405732^2 + 10221465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652306637202049 is a prime.

It is not a weakly prime, because it can be changed into another prime (652306637202149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326153318601024 + 326153318601025.

It is an arithmetic number, because the mean of its divisors is an integer number (326153318601025).

Almost surely, 2^{652306637202049} is an apocalyptic number.

It is an amenable number.

652306637202049 is a deficient number, since it is larger than the sum of its proper divisors (1).

652306637202049 is an equidigital number, since it uses as much as digits as its factorization.

652306637202049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 55.

The spelling of 652306637202049 in words is "six hundred fifty-two trillion, three hundred six billion, six hundred thirty-seven million, two hundred two thousand, forty-nine".