11839500739 has 4 divisors (see below), whose sum is σ = 12915819000. Its totient is φ = 10763182480.

The previous prime is 11839500707. The next prime is 11839500767. The reversal of 11839500739 is 93700593811.

It is a happy number.

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 11839500739 - 2⁵ = 11839500707 is a prime.

It is a super-2 number, since 2×11839500739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11839590739) 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, 538159114 + ... + 538159135.

It is an arithmetic number, because the mean of its divisors is an integer number (3228954750).

Almost surely, 2^11839500739 is an apocalyptic number.

11839500739 is a deficient number, since it is larger than the sum of its proper divisors (1076318261).

11839500739 is a wasteful number, since it uses less digits than its factorization.

11839500739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076318260.

The product of its (nonzero) digits is 204120, while the sum is 46.

It can be divided in two parts, 11839 and 500739, that added together give a triangular number (512578 = T₁₀₁₂).

The spelling of 11839500739 in words is "eleven billion, eight hundred thirty-nine million, five hundred thousand, seven hundred thirty-nine".