269639290589 has 2 divisors, whose sum is σ = 269639290590. Its totient is φ = 269639290588.

The previous prime is 269639290537. The next prime is 269639290603. The reversal of 269639290589 is 985092936962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225181568089 + 44457722500 = 474533^2 + 210850^2 .

It is a cyclic number.

It is not a de Polignac number, because 269639290589 - 2¹² = 269639286493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269639290519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134819645294 + 134819645295.

It is an arithmetic number, because the mean of its divisors is an integer number (134819645295).

Almost surely, 2^269639290589 is an apocalyptic number.

It is an amenable number.

269639290589 is a deficient number, since it is larger than the sum of its proper divisors (1).

269639290589 is an equidigital number, since it uses as much as digits as its factorization.

269639290589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113374080, while the sum is 68.

The spelling of 269639290589 in words is "two hundred sixty-nine billion, six hundred thirty-nine million, two hundred ninety thousand, five hundred eighty-nine".