1019425019 has 2 divisors, whose sum is σ = 1019425020. Its totient is φ = 1019425018.

The previous prime is 1019425013. The next prime is 1019425051. The reversal of 1019425019 is 9105249101.

It is an a-pointer prime, because the next prime (1019425051) can be obtained adding 1019425019 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1019425019 - 2⁴ = 1019425003 is a prime.

It is a super-2 number, since 2×1019425019² = 2078454738726300722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1019425013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509712509 + 509712510.

It is an arithmetic number, because the mean of its divisors is an integer number (509712510).

Almost surely, 2^1019425019 is an apocalyptic number.

1019425019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019425019 is an equidigital number, since it uses as much as digits as its factorization.

1019425019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1019425019 is about 31928.4358996804. The cubic root of 1019425019 is about 1006.4335272980.

The spelling of 1019425019 in words is "one billion, nineteen million, four hundred twenty-five thousand, nineteen".