10994990449 has 27 divisors (see below), whose sum is σ = 11865886347. Its totient is φ = 10187067264.

The previous prime is 10994990417. The next prime is 10994990467. The reversal of 10994990449 is 94409949901.

The square root of 10994990449 is 104857.

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

It can be written as a sum of positive squares in only one way, i.e., 4937170225 + 6057820224 = 70265^2 + 77832^2 .

It is not a de Polignac number, because 10994990449 - 2⁵ = 10994990417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10994990393 and 10994990402.

It is not an unprimeable number, because it can be changed into a prime (10994970449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 113350369 + ... + 113350465.

Almost surely, 2^10994990449 is an apocalyptic number.

10994990449 is the 104857-th square number.

10994990449 is the 52429-th centered octagonal number.

It is an amenable number.

10994990449 is a deficient number, since it is larger than the sum of its proper divisors (870895898).

10994990449 is an frugal number, since it uses more digits than its factorization.

10994990449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 58.

The spelling of 10994990449 in words is "ten billion, nine hundred ninety-four million, nine hundred ninety thousand, four hundred forty-nine".