11963424949 has 4 divisors (see below), whose sum is σ = 13672485664. Its totient is φ = 10254364236.

The previous prime is 11963424937. The next prime is 11963424959. The reversal of 11963424949 is 94942436911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11963424949 - 2⁷ = 11963424821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11963424896 and 11963424905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11963424919) 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, 854530347 + ... + 854530360.

It is an arithmetic number, because the mean of its divisors is an integer number (3418121416).

Almost surely, 2^11963424949 is an apocalyptic number.

It is an amenable number.

11963424949 is a deficient number, since it is larger than the sum of its proper divisors (1709060715).

11963424949 is an equidigital number, since it uses as much as digits as its factorization.

11963424949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709060714.

The product of its digits is 1679616, while the sum is 52.

The spelling of 11963424949 in words is "eleven billion, nine hundred sixty-three million, four hundred twenty-four thousand, nine hundred forty-nine".