4054897109 has 2 divisors, whose sum is σ = 4054897110. Its totient is φ = 4054897108.

The previous prime is 4054897087. The next prime is 4054897127. The reversal of 4054897109 is 9017984504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4022350084 + 32547025 = 63422^2 + 5705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4054897109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4054897009) 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, 2027448554 + 2027448555.

It is an arithmetic number, because the mean of its divisors is an integer number (2027448555).

Almost surely, 2^4054897109 is an apocalyptic number.

It is an amenable number.

4054897109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054897109 is an equidigital number, since it uses as much as digits as its factorization.

4054897109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 4054897109 is about 63678.0740051079. The cubic root of 4054897109 is about 1594.6300585609.

The spelling of 4054897109 in words is "four billion, fifty-four million, eight hundred ninety-seven thousand, one hundred nine".