10186993573849 has 3 divisors (see below), whose sum is σ = 10186996765557. Its totient is φ = 10186990382142.

The previous prime is 10186993573843. The next prime is 10186993573877. The reversal of 10186993573849 is 94837539968101.

The square root of 10186993573849 is 3191707.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 10186993573849 - 2²³ = 10186985185241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10186993573843) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1595854 + ... + 4787560.

It is an arithmetic number, because the mean of its divisors is an integer number (3395665588519).

Almost surely, 2^{10186993573849} is an apocalyptic number.

10186993573849 is the 3191707-th square number.

10186993573849 is the 1595854-th centered octagonal number.

It is an amenable number.

10186993573849 is a deficient number, since it is larger than the sum of its proper divisors (3191708).

10186993573849 is an frugal number, since it uses more digits than its factorization.

10186993573849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383414 (or 3191707 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 73.

The spelling of 10186993573849 in words is "ten trillion, one hundred eighty-six billion, nine hundred ninety-three million, five hundred seventy-three thousand, eight hundred forty-nine".