153873268217 has 2 divisors, whose sum is σ = 153873268218. Its totient is φ = 153873268216.

The previous prime is 153873268193. The next prime is 153873268229. The reversal of 153873268217 is 712862378351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144691987456 + 9181280761 = 380384^2 + 95819^2 .

It is a cyclic number.

It is not a de Polignac number, because 153873268217 - 2²² = 153869073913 is a prime.

It is not a weakly prime, because it can be changed into another prime (153873268247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76936634108 + 76936634109.

It is an arithmetic number, because the mean of its divisors is an integer number (76936634109).

Almost surely, 2^153873268217 is an apocalyptic number.

It is an amenable number.

153873268217 is a deficient number, since it is larger than the sum of its proper divisors (1).

153873268217 is an equidigital number, since it uses as much as digits as its factorization.

153873268217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

The spelling of 153873268217 in words is "one hundred fifty-three billion, eight hundred seventy-three million, two hundred sixty-eight thousand, two hundred seventeen".