11377436849 has 4 divisors (see below), whose sum is σ = 11378145636. Its totient is φ = 11376728064.

The previous prime is 11377436801. The next prime is 11377436891. The reversal of 11377436849 is 94863477311.

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 9948067600 + 1429369249 = 99740^2 + 37807^2 .

It is a cyclic number.

It is not a de Polignac number, because 11377436849 - 2²⁰ = 11376388273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11377436849.

It is not an unprimeable number, because it can be changed into a prime (11377432849) 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, 329744 + ... + 362609.

It is an arithmetic number, because the mean of its divisors is an integer number (2844536409).

Almost surely, 2^11377436849 is an apocalyptic number.

It is an amenable number.

11377436849 is a deficient number, since it is larger than the sum of its proper divisors (708787).

11377436849 is an equidigital number, since it uses as much as digits as its factorization.

11377436849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708786.

The product of its digits is 3048192, while the sum is 53.

The spelling of 11377436849 in words is "eleven billion, three hundred seventy-seven million, four hundred thirty-six thousand, eight hundred forty-nine".