1419254509 has 2 divisors, whose sum is σ = 1419254510. Its totient is φ = 1419254508.

The previous prime is 1419254479. The next prime is 1419254549. The reversal of 1419254509 is 9054529141.

It is an a-pointer prime, because the next prime (1419254549) can be obtained adding 1419254509 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1304293225 + 114961284 = 36115^2 + 10722^2 .

It is a cyclic number.

It is not a de Polignac number, because 1419254509 - 2⁵ = 1419254477 is a prime.

It is a super-2 number, since 2×1419254509² = 4028566722633662162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1419254549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709627254 + 709627255.

It is an arithmetic number, because the mean of its divisors is an integer number (709627255).

Almost surely, 2^1419254509 is an apocalyptic number.

It is an amenable number.

1419254509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1419254509 is an equidigital number, since it uses as much as digits as its factorization.

1419254509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 1419254509 is about 37672.9944257156. The cubic root of 1419254509 is about 1123.7941341561.

The spelling of 1419254509 in words is "one billion, four hundred nineteen million, two hundred fifty-four thousand, five hundred nine".