3691718838404 has 6 divisors (see below), whose sum is σ = 6460507967214. Its totient is φ = 1845859419200.

The previous prime is 3691718838403. The next prime is 3691718838427. The reversal of 3691718838404 is 4048388171963.

It can be written as a sum of positive squares in only one way, i.e., 2441687508100 + 1250031330304 = 1562590^2 + 1118048^2 .

It is not an unprimeable number, because it can be changed into a prime (3691718838403) 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 as a sum of consecutive naturals, namely, 461464854797 + ... + 461464854804.

It is an arithmetic number, because the mean of its divisors is an integer number (1076751327869).

Almost surely, 2^{3691718838404} is an apocalyptic number.

It is an amenable number.

3691718838404 is a deficient number, since it is larger than the sum of its proper divisors (2768789128810).

3691718838404 is a wasteful number, since it uses less digits than its factorization.

3691718838404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922929709605 (or 922929709603 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 3691718838404 in words is "three trillion, six hundred ninety-one billion, seven hundred eighteen million, eight hundred thirty-eight thousand, four hundred four".