3869847500869 has 16 divisors (see below), whose sum is σ = 4434024418560. Its totient is φ = 3308510298240.

The previous prime is 3869847500861. The next prime is 3869847500951. The reversal of 3869847500869 is 9680057489683.

It is not a de Polignac number, because 3869847500869 - 2³ = 3869847500861 is a prime.

It is a super-2 number, since 2×3869847500869² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869847500861) 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 in 15 ways as a sum of consecutive naturals, for example, 10678689 + ... + 11035129.

It is an arithmetic number, because the mean of its divisors is an integer number (277126526160).

Almost surely, 2^{3869847500869} is an apocalyptic number.

It is an amenable number.

3869847500869 is a deficient number, since it is larger than the sum of its proper divisors (564176917691).

3869847500869 is a wasteful number, since it uses less digits than its factorization.

3869847500869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360420.

The product of its (nonzero) digits is 627056640, while the sum is 73.

The spelling of 3869847500869 in words is "three trillion, eight hundred sixty-nine billion, eight hundred forty-seven million, five hundred thousand, eight hundred sixty-nine".