1133997449 has 16 divisors (see below), whose sum is σ = 1235606400. Its totient is φ = 1034492160.

The previous prime is 1133997437. The next prime is 1133997457. The reversal of 1133997449 is 9447993311.

It is not a de Polignac number, because 1133997449 - 2²⁸ = 865561993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133997397 and 1133997406.

It is not an unprimeable number, because it can be changed into a prime (1133997409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832529 + ... + 833889.

It is an arithmetic number, because the mean of its divisors is an integer number (77225400).

Almost surely, 2^1133997449 is an apocalyptic number.

It is an amenable number.

1133997449 is a deficient number, since it is larger than the sum of its proper divisors (101608951).

1133997449 is a wasteful number, since it uses less digits than its factorization.

1133997449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its digits is 734832, while the sum is 50.

The square root of 1133997449 is about 33674.8786040871. The cubic root of 1133997449 is about 1042.8072115126.

The spelling of 1133997449 in words is "one billion, one hundred thirty-three million, nine hundred ninety-seven thousand, four hundred forty-nine".