1993369508 has 12 divisors (see below), whose sum is σ = 3756734940. Its totient is φ = 920016672.

The previous prime is 1993369507. The next prime is 1993369513. The reversal of 1993369508 is 8059633991.

It can be written as a sum of positive squares in 2 ways, for example, as 170250304 + 1823119204 = 13048^2 + 42698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1993369508.

It is not an unprimeable number, because it can be changed into a prime (1993369501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19166963 + ... + 19167066.

It is an arithmetic number, because the mean of its divisors is an integer number (313061245).

Almost surely, 2^1993369508 is an apocalyptic number.

It is an amenable number.

1993369508 is a deficient number, since it is larger than the sum of its proper divisors (1763365432).

1993369508 is a wasteful number, since it uses less digits than its factorization.

1993369508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38334046 (or 38334044 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 1993369508 is about 44647.1668530042. The cubic root of 1993369508 is about 1258.5271923577.

The spelling of 1993369508 in words is "one billion, nine hundred ninety-three million, three hundred sixty-nine thousand, five hundred eight".