3835866536625 has 32 divisors (see below), whose sum is σ = 6386219693568. Its totient is φ = 2044725686400.

The previous prime is 3835866536543. The next prime is 3835866536641. The reversal of 3835866536625 is 5266356685383.

It is not a de Polignac number, because 3835866536625 - 2¹³ = 3835866528433 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

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, 1956169 + ... + 3390918.

It is an arithmetic number, because the mean of its divisors is an integer number (199569365424).

Almost surely, 2^{3835866536625} is an apocalyptic number.

It is an amenable number.

3835866536625 is a deficient number, since it is larger than the sum of its proper divisors (2550353156943).

3835866536625 is a wasteful number, since it uses less digits than its factorization.

3835866536625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349018 (or 5349008 counting only the distinct ones).

The product of its digits is 559872000, while the sum is 66.

The spelling of 3835866536625 in words is "three trillion, eight hundred thirty-five billion, eight hundred sixty-six million, five hundred thirty-six thousand, six hundred twenty-five".