1074399019 has 2 divisors, whose sum is σ = 1074399020. Its totient is φ = 1074399018.

The previous prime is 1074399017. The next prime is 1074399041. The reversal of 1074399019 is 9109934701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1074399019 - 2¹ = 1074399017 is a prime.

It is a super-2 number, since 2×1074399019² = 2308666504056324722, which contains 22 as substring.

Together with 1074399017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1074399017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537199509 + 537199510.

It is an arithmetic number, because the mean of its divisors is an integer number (537199510).

Almost surely, 2^1074399019 is an apocalyptic number.

1074399019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074399019 is an equidigital number, since it uses as much as digits as its factorization.

1074399019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1074399019 is about 32778.0264659116. The cubic root of 1074399019 is about 1024.2088740554.

The spelling of 1074399019 in words is "one billion, seventy-four million, three hundred ninety-nine thousand, nineteen".