1351841219 has 2 divisors, whose sum is σ = 1351841220. Its totient is φ = 1351841218.

The previous prime is 1351841159. The next prime is 1351841221. The reversal of 1351841219 is 9121481531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1351841219 - 2¹⁶ = 1351775683 is a prime.

It is a super-4 number, since 4×1351841219⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

Together with 1351841221, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1351841419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675920609 + 675920610.

It is an arithmetic number, because the mean of its divisors is an integer number (675920610).

Almost surely, 2^1351841219 is an apocalyptic number.

1351841219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351841219 is an equidigital number, since it uses as much as digits as its factorization.

1351841219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The square root of 1351841219 is about 36767.3934213455. The cubic root of 1351841219 is about 1105.7116738422.

The spelling of 1351841219 in words is "one billion, three hundred fifty-one million, eight hundred forty-one thousand, two hundred nineteen".