11886067949 has 16 divisors (see below), whose sum is σ = 14442147072. Its totient is φ = 9561222528.

The previous prime is 11886067943. The next prime is 11886067981. The reversal of 11886067949 is 94976068811.

It is a cyclic number.

It is not a de Polignac number, because 11886067949 - 2²⁴ = 11869290733 is a prime.

It is a super-2 number, since 2×11886067949² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11886067943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687944 + ... + 705009.

It is an arithmetic number, because the mean of its divisors is an integer number (902634192).

Almost surely, 2^11886067949 is an apocalyptic number.

It is an amenable number.

11886067949 is a deficient number, since it is larger than the sum of its proper divisors (2556079123).

11886067949 is a wasteful number, since it uses less digits than its factorization.

11886067949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393036.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 11886067949 in words is "eleven billion, eight hundred eighty-six million, sixty-seven thousand, nine hundred forty-nine".