1369519241 has 2 divisors, whose sum is σ = 1369519242. Its totient is φ = 1369519240.

The previous prime is 1369519189. The next prime is 1369519247. The reversal of 1369519241 is 1429159631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1259185225 + 110334016 = 35485^2 + 10504^2 .

It is an emirp because it is prime and its reverse (1429159631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1369519241 - 2¹⁴ = 1369502857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1369519247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684759620 + 684759621.

It is an arithmetic number, because the mean of its divisors is an integer number (684759621).

Almost surely, 2^1369519241 is an apocalyptic number.

It is an amenable number.

1369519241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369519241 is an equidigital number, since it uses as much as digits as its factorization.

1369519241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 1369519241 is about 37007.0161050577. The cubic root of 1369519241 is about 1110.5106113292.

The spelling of 1369519241 in words is "one billion, three hundred sixty-nine million, five hundred nineteen thousand, two hundred forty-one".