1347420419 has 2 divisors, whose sum is σ = 1347420420. Its totient is φ = 1347420418.

The previous prime is 1347420413. The next prime is 1347420439. The reversal of 1347420419 is 9140247431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1347420419 is a prime.

It is a super-2 number, since 2×1347420419² = 3631083571076271122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1347420413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673710209 + 673710210.

It is an arithmetic number, because the mean of its divisors is an integer number (673710210).

Almost surely, 2^1347420419 is an apocalyptic number.

1347420419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347420419 is an equidigital number, since it uses as much as digits as its factorization.

1347420419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1347420419 is about 36707.2257055746. The cubic root of 1347420419 is about 1104.5050557377.

The spelling of 1347420419 in words is "one billion, three hundred forty-seven million, four hundred twenty thousand, four hundred nineteen".