269416421 has 2 divisors, whose sum is σ = 269416422. Its totient is φ = 269416420.

The previous prime is 269416393. The next prime is 269416451. The reversal of 269416421 is 124614962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170015521 + 99400900 = 13039^2 + 9970^2 .

It is a cyclic number.

It is not a de Polignac number, because 269416421 - 2¹⁰ = 269415397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269416451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134708210 + 134708211.

It is an arithmetic number, because the mean of its divisors is an integer number (134708211).

Almost surely, 2^269416421 is an apocalyptic number.

It is an amenable number.

269416421 is a deficient number, since it is larger than the sum of its proper divisors (1).

269416421 is an equidigital number, since it uses as much as digits as its factorization.

269416421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 269416421 is about 16413.9093758921. The cubic root of 269416421 is about 645.8644108010.

The spelling of 269416421 in words is "two hundred sixty-nine million, four hundred sixteen thousand, four hundred twenty-one".