11490339249 has 9 divisors (see below), whose sum is σ = 16597621209. Its totient is φ = 7660011780.

The previous prime is 11490339239. The next prime is 11490339269. The reversal of 11490339249 is 94293309411.

The square root of 11490339249 is 107193.

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

11490339249 is a `hidden beast` number, since 1 + 1 + 490 + 33 + 92 + 49 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11490339249 - 2²¹ = 11488242097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11490339239) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 303714 + ... + 339444.

Almost surely, 2^11490339249 is an apocalyptic number.

11490339249 is the 107193-rd square number.

11490339249 is the 53597-th centered octagonal number.

It is an amenable number.

11490339249 is a deficient number, since it is larger than the sum of its proper divisors (5107281960).

11490339249 is an frugal number, since it uses more digits than its factorization.

11490339249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71468 (or 35734 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 11490339249 in words is "eleven billion, four hundred ninety million, three hundred thirty-nine thousand, two hundred forty-nine".