3890965037428 has 12 divisors (see below), whose sum is σ = 7781930074912. Its totient is φ = 1667556444600.

The previous prime is 3890965037359. The next prime is 3890965037437. The reversal of 3890965037428 is 8247305690983.

3890965037428 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3890965037428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69481518498 + ... + 69481518553.

Almost surely, 2^{3890965037428} is an apocalyptic number.

It is an amenable number.

3890965037428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3890965037428 is a wasteful number, since it uses less digits than its factorization.

3890965037428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138963037062 (or 138963037060 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 3890965037428 in words is "three trillion, eight hundred ninety billion, nine hundred sixty-five million, thirty-seven thousand, four hundred twenty-eight".