11869646029 has 4 divisors (see below), whose sum is σ = 11878632700. Its totient is φ = 11860659360.

The previous prime is 11869645999. The next prime is 11869646039. The reversal of 11869646029 is 92064696811.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11199353929 + 670292100 = 105827^2 + 25890^2 .

It is a cyclic number.

It is not a de Polignac number, because 11869646029 - 2¹³ = 11869637837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11869646039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4491354 + ... + 4493995.

It is an arithmetic number, because the mean of its divisors is an integer number (2969658175).

Almost surely, 2^11869646029 is an apocalyptic number.

It is an amenable number.

11869646029 is a deficient number, since it is larger than the sum of its proper divisors (8986671).

11869646029 is an equidigital number, since it uses as much as digits as its factorization.

11869646029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986670.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 11869646029 in words is "eleven billion, eight hundred sixty-nine million, six hundred forty-six thousand, twenty-nine".