384189895253 has 2 divisors, whose sum is σ = 384189895254. Its totient is φ = 384189895252.

The previous prime is 384189895231. The next prime is 384189895279. The reversal of 384189895253 is 352598981483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369947382289 + 14242512964 = 608233^2 + 119342^2 .

It is a cyclic number.

It is not a de Polignac number, because 384189895253 - 2⁸ = 384189894997 is a prime.

It is a super-2 number, since 2×384189895253² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 384189895253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384189895153) 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, 192094947626 + 192094947627.

It is an arithmetic number, because the mean of its divisors is an integer number (192094947627).

Almost surely, 2^384189895253 is an apocalyptic number.

It is an amenable number.

384189895253 is a deficient number, since it is larger than the sum of its proper divisors (1).

384189895253 is an equidigital number, since it uses as much as digits as its factorization.

384189895253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74649600, while the sum is 65.

The spelling of 384189895253 in words is "three hundred eighty-four billion, one hundred eighty-nine million, eight hundred ninety-five thousand, two hundred fifty-three".