2054899589 has 2 divisors, whose sum is σ = 2054899590. Its totient is φ = 2054899588.

The previous prime is 2054899519. The next prime is 2054899597. The reversal of 2054899589 is 9859984502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1828246564 + 226653025 = 42758^2 + 15055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054899589 - 2⁸ = 2054899333 is a prime.

It is a super-2 number, since 2×2054899589² = 8445224641744737842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054899519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027449794 + 1027449795.

It is an arithmetic number, because the mean of its divisors is an integer number (1027449795).

Almost surely, 2^2054899589 is an apocalyptic number.

It is an amenable number.

2054899589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054899589 is an equidigital number, since it uses as much as digits as its factorization.

2054899589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 59.

The square root of 2054899589 is about 45331.0003088394. Note that the first 3 decimals coincide. The cubic root of 2054899589 is about 1271.3453387702.

The spelling of 2054899589 in words is "two billion, fifty-four million, eight hundred ninety-nine thousand, five hundred eighty-nine".