13193951993104 has 75 divisors (see below), whose sum is σ = 26308020268007. Its totient is φ = 6410164338912.

The previous prime is 13193951993081. The next prime is 13193951993129. The reversal of 13193951993104 is 40139915939131.

The square root of 13193951993104 is 3632348.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 94920517867 + ... + 94920518005.

Almost surely, 2^{13193951993104} is an apocalyptic number.

13193951993104 is the 3632348-th square number.

It is an amenable number.

13193951993104 is a deficient number, since it is larger than the sum of its proper divisors (13114068274903).

13193951993104 is an frugal number, since it uses more digits than its factorization.

13193951993104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 3542940, while the sum is 58.

The spelling of 13193951993104 in words is "thirteen trillion, one hundred ninety-three billion, nine hundred fifty-one million, nine hundred ninety-three thousand, one hundred four".