3918790065404 has 24 divisors (see below), whose sum is σ = 6893125436400. Its totient is φ = 1949351443200.

The previous prime is 3918790065403. The next prime is 3918790065451. The reversal of 3918790065404 is 4045600978193.

It is a self number, because there is not a number n which added to its sum of digits gives 3918790065404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918790065403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2615219 + ... + 3831050.

It is an arithmetic number, because the mean of its divisors is an integer number (287213559850).

Almost surely, 2^{3918790065404} is an apocalyptic number.

It is an amenable number.

3918790065404 is a deficient number, since it is larger than the sum of its proper divisors (2974335370996).

3918790065404 is a wasteful number, since it uses less digits than its factorization.

3918790065404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447053 (or 6447051 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 3918790065404 in words is "three trillion, nine hundred eighteen billion, seven hundred ninety million, sixty-five thousand, four hundred four".