269887493 has 2 divisors, whose sum is σ = 269887494. Its totient is φ = 269887492.

The previous prime is 269887483. The next prime is 269887619. The reversal of 269887493 is 394788962.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197177764 + 72709729 = 14042^2 + 8527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269887493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269887403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134943746 + 134943747.

It is an arithmetic number, because the mean of its divisors is an integer number (134943747).

Almost surely, 2^269887493 is an apocalyptic number.

It is an amenable number.

269887493 is a deficient number, since it is larger than the sum of its proper divisors (1).

269887493 is an equidigital number, since it uses as much as digits as its factorization.

269887493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 56.

The square root of 269887493 is about 16428.2528894585. The cubic root of 269887493 is about 646.2406208397.

The spelling of 269887493 in words is "two hundred sixty-nine million, eight hundred eighty-seven thousand, four hundred ninety-three".