385844423602153 has 2 divisors, whose sum is σ = 385844423602154. Its totient is φ = 385844423602152.

The previous prime is 385844423602147. The next prime is 385844423602241. The reversal of 385844423602153 is 351206324448583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302257800826969 + 83586622775184 = 17385563^2 + 9142572^2 .

It is a cyclic number.

It is not a de Polignac number, because 385844423602153 - 2⁹ = 385844423601641 is a prime.

It is not a weakly prime, because it can be changed into another prime (385844423602133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192922211801076 + 192922211801077.

It is an arithmetic number, because the mean of its divisors is an integer number (192922211801077).

Almost surely, 2^{385844423602153} is an apocalyptic number.

It is an amenable number.

385844423602153 is a deficient number, since it is larger than the sum of its proper divisors (1).

385844423602153 is an equidigital number, since it uses as much as digits as its factorization.

385844423602153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66355200, while the sum is 58.

The spelling of 385844423602153 in words is "three hundred eighty-five trillion, eight hundred forty-four billion, four hundred twenty-three million, six hundred two thousand, one hundred fifty-three".