2054899519 has 2 divisors, whose sum is σ = 2054899520. Its totient is φ = 2054899518.

The previous prime is 2054899493. The next prime is 2054899589. The reversal of 2054899519 is 9159984502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2054899519 - 2⁷ = 2054899391 is a prime.

It is a super-2 number, since 2×2054899519² = 8445224066372862722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054899589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027449759 + 1027449760.

It is an arithmetic number, because the mean of its divisors is an integer number (1027449760).

Almost surely, 2^2054899519 is an apocalyptic number.

2054899519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054899519 is an equidigital number, since it uses as much as digits as its factorization.

2054899519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 52.

The square root of 2054899519 is about 45330.9995367409. Note that the first 3 decimals coincide. The cubic root of 2054899519 is about 1271.3453243341.

The spelling of 2054899519 in words is "two billion, fifty-four million, eight hundred ninety-nine thousand, five hundred nineteen".