1133019949 has 4 divisors (see below), whose sum is σ = 1136382364. Its totient is φ = 1129657536.

The previous prime is 1133019947. The next prime is 1133019973. The reversal of 1133019949 is 9499103311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 639735849 + 493284100 = 25293^2 + 22210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133019949 - 2¹ = 1133019947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133019941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680702 + ... + 1681375.

It is an arithmetic number, because the mean of its divisors is an integer number (284095591).

Almost surely, 2^1133019949 is an apocalyptic number.

It is an amenable number.

1133019949 is a deficient number, since it is larger than the sum of its proper divisors (3362415).

1133019949 is an equidigital number, since it uses as much as digits as its factorization.

1133019949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362414.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 1133019949 is about 33660.3616884905. The cubic root of 1133019949 is about 1042.5074938838.

The spelling of 1133019949 in words is "one billion, one hundred thirty-three million, nineteen thousand, nine hundred forty-nine".