3835843621028 has 24 divisors (see below), whose sum is σ = 6783963907392. Its totient is φ = 1897613202464.

The previous prime is 3835843621021. The next prime is 3835843621061. The reversal of 3835843621028 is 8201263485383.

It is not an unprimeable number, because it can be changed into a prime (3835843621021) 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 7 ways as a sum of consecutive naturals, for example, 5281376 + ... + 5963607.

It is an arithmetic number, because the mean of its divisors is an integer number (282665162808).

Almost surely, 2^{3835843621028} is an apocalyptic number.

It is an amenable number.

3835843621028 is a deficient number, since it is larger than the sum of its proper divisors (2948120286364).

3835843621028 is a wasteful number, since it uses less digits than its factorization.

3835843621028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245891 (or 11245889 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 3835843621028 in words is "three trillion, eight hundred thirty-five billion, eight hundred forty-three million, six hundred twenty-one thousand, twenty-eight".