106998989449 has 27 divisors (see below), whose sum is σ = 119039495533. Its totient is φ = 96104036600.

The previous prime is 106998989411. The next prime is 106998989467. The reversal of 106998989449 is 944989899601.

The square root of 106998989449 is 327107.

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

It is not a de Polignac number, because 106998989449 - 2⁹ = 106998988937 is a prime.

It is a super-2 number, since 2×106998989449² (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 (106998989249) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 471361074 + ... + 471361300.

Almost surely, 2^106998989449 is an apocalyptic number.

106998989449 is the 327107-th square number.

106998989449 is the 163554-th centered octagonal number.

It is an amenable number.

106998989449 is a deficient number, since it is larger than the sum of its proper divisors (12040506084).

106998989449 is an frugal number, since it uses more digits than its factorization.

106998989449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 76.

The spelling of 106998989449 in words is "one hundred six billion, nine hundred ninety-eight million, nine hundred eighty-nine thousand, four hundred forty-nine".