653122404221279 has 2 divisors, whose sum is σ = 653122404221280. Its totient is φ = 653122404221278.

The previous prime is 653122404221249. The next prime is 653122404221381. The reversal of 653122404221279 is 972122404221356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653122404221279 - 2²⁰ = 653122403172703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653122404221249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326561202110639 + 326561202110640.

It is an arithmetic number, because the mean of its divisors is an integer number (326561202110640).

Almost surely, 2^{653122404221279} is an apocalyptic number.

653122404221279 is a deficient number, since it is larger than the sum of its proper divisors (1).

653122404221279 is an equidigital number, since it uses as much as digits as its factorization.

653122404221279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 653122404221279 in words is "six hundred fifty-three trillion, one hundred twenty-two billion, four hundred four million, two hundred twenty-one thousand, two hundred seventy-nine".