652144638163 has 2 divisors, whose sum is σ = 652144638164. Its totient is φ = 652144638162.

The previous prime is 652144638107. The next prime is 652144638191. The reversal of 652144638163 is 361836441256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652144638163 is a prime.

It is not a weakly prime, because it can be changed into another prime (652144618163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326072319081 + 326072319082.

It is an arithmetic number, because the mean of its divisors is an integer number (326072319082).

Almost surely, 2^652144638163 is an apocalyptic number.

652144638163 is a deficient number, since it is larger than the sum of its proper divisors (1).

652144638163 is an equidigital number, since it uses as much as digits as its factorization.

652144638163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 49.

The spelling of 652144638163 in words is "six hundred fifty-two billion, one hundred forty-four million, six hundred thirty-eight thousand, one hundred sixty-three".