3810870820516 has 24 divisors (see below), whose sum is σ = 6675560970624. Its totient is φ = 1903568457120.

The previous prime is 3810870820499. The next prime is 3810870820577. The reversal of 3810870820516 is 6150280780183.

It is a self number, because there is not a number n which added to its sum of digits gives 3810870820516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20195781 + ... + 20383603.

It is an arithmetic number, because the mean of its divisors is an integer number (278148373776).

Almost surely, 2^{3810870820516} is an apocalyptic number.

It is an amenable number.

3810870820516 is a deficient number, since it is larger than the sum of its proper divisors (2864690150108).

3810870820516 is a wasteful number, since it uses less digits than its factorization.

3810870820516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192771 (or 192769 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 3810870820516 in words is "three trillion, eight hundred ten billion, eight hundred seventy million, eight hundred twenty thousand, five hundred sixteen".