106199729689 has 3 divisors (see below), whose sum is σ = 106200055573. Its totient is φ = 106199403806.

The previous prime is 106199729681. The next prime is 106199729707. The reversal of 106199729689 is 986927991601.

The square root of 106199729689 is 325883.

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 106199729689 - 2³ = 106199729681 is a prime.

It is a super-2 number, since 2×106199729689² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106199729681) 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, 162942 + ... + 488824.

Almost surely, 2^106199729689 is an apocalyptic number.

106199729689 is the 325883-rd square number.

106199729689 is the 162942-nd centered octagonal number.

It is an amenable number.

106199729689 is a deficient number, since it is larger than the sum of its proper divisors (325884).

106199729689 is an frugal number, since it uses more digits than its factorization.

106199729689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651766 (or 325883 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 67.

The spelling of 106199729689 in words is "one hundred six billion, one hundred ninety-nine million, seven hundred twenty-nine thousand, six hundred eighty-nine".