269131679005 has 12 divisors (see below), whose sum is σ = 375685854300. Its totient is φ = 184547436864.

The previous prime is 269131678999. The next prime is 269131679021. The reversal of 269131679005 is 500976131962.

It can be written as a sum of positive squares in 2 ways, for example, as 186162909156 + 82968769849 = 431466^2 + 288043^2 .

It is a de Polignac number, because none of the positive numbers 2^k-269131679005 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 269131679005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549248080 + ... + 549248569.

It is an arithmetic number, because the mean of its divisors is an integer number (31307154525).

Almost surely, 2^269131679005 is an apocalyptic number.

It is an amenable number.

269131679005 is a deficient number, since it is larger than the sum of its proper divisors (106554175295).

269131679005 is a wasteful number, since it uses less digits than its factorization.

269131679005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098496668 (or 1098496661 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 269131679005 in words is "two hundred sixty-nine billion, one hundred thirty-one million, six hundred seventy-nine thousand, five".