11929534939 has 4 divisors (see below), whose sum is σ = 13633754224. Its totient is φ = 10225315656.

The previous prime is 11929534891. The next prime is 11929534961. The reversal of 11929534939 is 93943592911.

11929534939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11929534939 - 2⁷ = 11929534811 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 11929534939.

It is not an unprimeable number, because it can be changed into a prime (11929534999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852109632 + ... + 852109645.

It is an arithmetic number, because the mean of its divisors is an integer number (3408438556).

Almost surely, 2^11929534939 is an apocalyptic number.

11929534939 is a deficient number, since it is larger than the sum of its proper divisors (1704219285).

11929534939 is an equidigital number, since it uses as much as digits as its factorization.

11929534939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704219284.

The product of its digits is 2361960, while the sum is 55.

The spelling of 11929534939 in words is "eleven billion, nine hundred twenty-nine million, five hundred thirty-four thousand, nine hundred thirty-nine".