381169852829 has 2 divisors, whose sum is σ = 381169852830. Its totient is φ = 381169852828.

The previous prime is 381169852787. The next prime is 381169852837. The reversal of 381169852829 is 928258961183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272273152804 + 108896700025 = 521798^2 + 329995^2 .

It is an emirp because it is prime and its reverse (928258961183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381169852829 - 2¹⁶ = 381169787293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381169852529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190584926414 + 190584926415.

It is an arithmetic number, because the mean of its divisors is an integer number (190584926415).

Almost surely, 2^381169852829 is an apocalyptic number.

It is an amenable number.

381169852829 is a deficient number, since it is larger than the sum of its proper divisors (1).

381169852829 is an equidigital number, since it uses as much as digits as its factorization.

381169852829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 62.

The spelling of 381169852829 in words is "three hundred eighty-one billion, one hundred sixty-nine million, eight hundred fifty-two thousand, eight hundred twenty-nine".