2054899261 has 2 divisors, whose sum is σ = 2054899262. Its totient is φ = 2054899260.

The previous prime is 2054899247. The next prime is 2054899271. The reversal of 2054899261 is 1629984502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2049282361 + 5616900 = 45269^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054899261 - 2²⁹ = 1518028349 is a prime.

It is a super-2 number, since 2×2054899261² = 8445221945716692242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054899241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027449630 + 1027449631.

It is an arithmetic number, because the mean of its divisors is an integer number (1027449631).

Almost surely, 2^2054899261 is an apocalyptic number.

It is an amenable number.

2054899261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054899261 is an equidigital number, since it uses as much as digits as its factorization.

2054899261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2054899261 is about 45330.9966910060. The cubic root of 2054899261 is about 1271.3452711268.

The spelling of 2054899261 in words is "two billion, fifty-four million, eight hundred ninety-nine thousand, two hundred sixty-one".