1538342371208 has 16 divisors (see below), whose sum is σ = 2933279946000. Its totient is φ = 756134385616.

The previous prime is 1538342371193. The next prime is 1538342371213. The reversal of 1538342371208 is 8021732438351.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629599498 + ... + 1629600441.

It is an arithmetic number, because the mean of its divisors is an integer number (183329996625).

Almost surely, 2^{1538342371208} is an apocalyptic number.

It is an amenable number.

1538342371208 is a deficient number, since it is larger than the sum of its proper divisors (1394937574792).

1538342371208 is a wasteful number, since it uses less digits than its factorization.

1538342371208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259200004 (or 3259200000 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 1538342371208 in words is "one trillion, five hundred thirty-eight billion, three hundred forty-two million, three hundred seventy-one thousand, two hundred eight".