3869335844920 has 128 divisors (see below), whose sum is σ = 11060732067840. Its totient is φ = 1185078366720.

The previous prime is 3869335844861. The next prime is 3869335844953. The reversal of 3869335844920 is 294485339683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17032392 + ... + 17258071.

It is an arithmetic number, because the mean of its divisors is an integer number (86411969280).

Almost surely, 2^{3869335844920} is an apocalyptic number.

It is an amenable number.

3869335844920 is an abundant number, since it is smaller than the sum of its proper divisors (7191396222920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869335844920 is a wasteful number, since it uses less digits than its factorization.

3869335844920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290525 (or 34290521 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 64.

The spelling of 3869335844920 in words is "three trillion, eight hundred sixty-nine billion, three hundred thirty-five million, eight hundred forty-four thousand, nine hundred twenty".