1908054019 has 2 divisors, whose sum is σ = 1908054020. Its totient is φ = 1908054018.

The previous prime is 1908054013. The next prime is 1908054053. The reversal of 1908054019 is 9104508091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1908054019 - 2¹³ = 1908045827 is a prime.

It is a super-2 number, since 2×1908054019² = 7281340278844104722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1908054013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954027009 + 954027010.

It is an arithmetic number, because the mean of its divisors is an integer number (954027010).

Almost surely, 2^1908054019 is an apocalyptic number.

1908054019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1908054019 is an equidigital number, since it uses as much as digits as its factorization.

1908054019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1908054019 is about 43681.2776713319. The cubic root of 1908054019 is about 1240.3099335829.

The spelling of 1908054019 in words is "one billion, nine hundred eight million, fifty-four thousand, nineteen".