11968263929 has 4 divisors (see below), whose sum is σ = 12171115920. Its totient is φ = 11765411940.

The previous prime is 11968263919. The next prime is 11968263943. The reversal of 11968263929 is 92936286911.

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 11968263929 - 2³² = 7673296633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11968263919) 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, 101425907 + ... + 101426024.

It is an arithmetic number, because the mean of its divisors is an integer number (3042778980).

Almost surely, 2^11968263929 is an apocalyptic number.

It is an amenable number.

11968263929 is a deficient number, since it is larger than the sum of its proper divisors (202851991).

11968263929 is an equidigital number, since it uses as much as digits as its factorization.

11968263929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202851990.

The product of its digits is 2519424, while the sum is 56.

The spelling of 11968263929 in words is "eleven billion, nine hundred sixty-eight million, two hundred sixty-three thousand, nine hundred twenty-nine".