1929340019 has 2 divisors, whose sum is σ = 1929340020. Its totient is φ = 1929340018.

The previous prime is 1929339977. The next prime is 1929340031. The reversal of 1929340019 is 9100439291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1929340019 - 2¹² = 1929335923 is a prime.

It is a super-2 number, since 2×1929340019² = 7444705817829840722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1929340619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964670009 + 964670010.

It is an arithmetic number, because the mean of its divisors is an integer number (964670010).

Almost surely, 2^1929340019 is an apocalyptic number.

1929340019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1929340019 is an equidigital number, since it uses as much as digits as its factorization.

1929340019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1929340019 is about 43924.2531979771. The cubic root of 1929340019 is about 1244.9051327961.

The spelling of 1929340019 in words is "one billion, nine hundred twenty-nine million, three hundred forty thousand, nineteen".