653601538463 has 2 divisors, whose sum is σ = 653601538464. Its totient is φ = 653601538462.

The previous prime is 653601538433. The next prime is 653601538501. The reversal of 653601538463 is 364835106356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653601538463 - 2²⁶ = 653534429599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653601538433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326800769231 + 326800769232.

It is an arithmetic number, because the mean of its divisors is an integer number (326800769232).

Almost surely, 2^653601538463 is an apocalyptic number.

653601538463 is a deficient number, since it is larger than the sum of its proper divisors (1).

653601538463 is an equidigital number, since it uses as much as digits as its factorization.

653601538463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 653601538463 in words is "six hundred fifty-three billion, six hundred one million, five hundred thirty-eight thousand, four hundred sixty-three".