1071840019 has 2 divisors, whose sum is σ = 1071840020. Its totient is φ = 1071840018.

The previous prime is 1071839869. The next prime is 1071840037. The reversal of 1071840019 is 9100481701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1071840019 - 2¹⁵ = 1071807251 is a prime.

It is a super-2 number, since 2×1071840019² = 2297682052659840722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071840619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535920009 + 535920010.

It is an arithmetic number, because the mean of its divisors is an integer number (535920010).

Almost surely, 2^1071840019 is an apocalyptic number.

1071840019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071840019 is an equidigital number, since it uses as much as digits as its factorization.

1071840019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 1071840019 is about 32738.9678975987. The cubic root of 1071840019 is about 1023.3950751851.

The spelling of 1071840019 in words is "one billion, seventy-one million, eight hundred forty thousand, nineteen".