1269138069069 has 8 divisors (see below), whose sum is σ = 1822352099232. Its totient is φ = 781008042480.

The previous prime is 1269138069019. The next prime is 1269138069107. The reversal of 1269138069069 is 9609608319621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1269138069069 - 2⁹ = 1269138068557 is a prime.

It is a super-2 number, since 2×1269138069069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269138069019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16271000847 + ... + 16271000924.

It is an arithmetic number, because the mean of its divisors is an integer number (227794012404).

Almost surely, 2^{1269138069069} is an apocalyptic number.

It is an amenable number.

1269138069069 is a deficient number, since it is larger than the sum of its proper divisors (553214030163).

1269138069069 is a wasteful number, since it uses less digits than its factorization.

1269138069069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32542001787.

The product of its (nonzero) digits is 7558272, while the sum is 60.

The spelling of 1269138069069 in words is "one trillion, two hundred sixty-nine billion, one hundred thirty-eight million, sixty-nine thousand, sixty-nine".