2054056019 has 2 divisors, whose sum is σ = 2054056020. Its totient is φ = 2054056018.

The previous prime is 2054055947. The next prime is 2054056021. The reversal of 2054056019 is 9106504502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2054056019 - 2¹⁶ = 2053990483 is a prime.

It is a super-2 number, since 2×2054056019² = 8438292258380256722, which contains 22 as substring.

Together with 2054056021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2054056049) 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, 1027028009 + 1027028010.

It is an arithmetic number, because the mean of its divisors is an integer number (1027028010).

Almost surely, 2^2054056019 is an apocalyptic number.

2054056019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054056019 is an equidigital number, since it uses as much as digits as its factorization.

2054056019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2054056019 is about 45321.6947939946. The cubic root of 2054056019 is about 1271.1713455847.

The spelling of 2054056019 in words is "two billion, fifty-four million, fifty-six thousand, nineteen".