379871032869 has 6 divisors (see below), whose sum is σ = 548702603046. Its totient is φ = 253247355240.

The previous prime is 379871032813. The next prime is 379871032889. The reversal of 379871032869 is 968230178973.

379871032869 is a `hidden beast` number, since 379 + 87 + 103 + 2 + 86 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 324062640225 + 55808392644 = 569265^2 + 236238^2 .

It is not a de Polignac number, because 379871032869 - 2¹³ = 379871024677 is a prime.

It is a super-3 number, since 3×379871032869³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379871032889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21103946262 + ... + 21103946279.

It is an arithmetic number, because the mean of its divisors is an integer number (91450433841).

Almost surely, 2^379871032869 is an apocalyptic number.

It is an amenable number.

379871032869 is a deficient number, since it is larger than the sum of its proper divisors (168831570177).

379871032869 is a wasteful number, since it uses less digits than its factorization.

379871032869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42207892547 (or 42207892544 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 379871032869 in words is "three hundred seventy-nine billion, eight hundred seventy-one million, thirty-two thousand, eight hundred sixty-nine".