1419240391 has 2 divisors, whose sum is σ = 1419240392. Its totient is φ = 1419240390.

The previous prime is 1419240373. The next prime is 1419240421. The reversal of 1419240391 is 1930429141.

It is a weak prime.

It is an emirp because it is prime and its reverse (1930429141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1419240391 - 2⁹ = 1419239879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1419240311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709620195 + 709620196.

It is an arithmetic number, because the mean of its divisors is an integer number (709620196).

Almost surely, 2^1419240391 is an apocalyptic number.

1419240391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1419240391 is an equidigital number, since it uses as much as digits as its factorization.

1419240391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1419240391 is about 37672.8070496479. The cubic root of 1419240391 is about 1123.7904078387.

The spelling of 1419240391 in words is "one billion, four hundred nineteen million, two hundred forty thousand, three hundred ninety-one".