11441830649 has 4 divisors (see below), whose sum is σ = 11559787764. Its totient is φ = 11323873536.

The previous prime is 11441830639. The next prime is 11441830661. The reversal of 11441830649 is 94603814411.

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 4971237049 + 6470593600 = 70507^2 + 80440^2 .

It is a cyclic number.

It is not a de Polignac number, because 11441830649 - 2¹² = 11441826553 is a prime.

It is a super-2 number, since 2×11441830649² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11441830619) 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, 58978412 + ... + 58978605.

It is an arithmetic number, because the mean of its divisors is an integer number (2889946941).

Almost surely, 2^11441830649 is an apocalyptic number.

It is an amenable number.

11441830649 is a deficient number, since it is larger than the sum of its proper divisors (117957115).

11441830649 is an equidigital number, since it uses as much as digits as its factorization.

11441830649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117957114.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 11441830649 in words is "eleven billion, four hundred forty-one million, eight hundred thirty thousand, six hundred forty-nine".