4054871897 has 2 divisors, whose sum is σ = 4054871898. Its totient is φ = 4054871896.

The previous prime is 4054871881. The next prime is 4054871923. The reversal of 4054871897 is 7981784504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4052086336 + 2785561 = 63656^2 + 1669^2 .

It is a cyclic number.

It is not a de Polignac number, because 4054871897 - 2⁴ = 4054871881 is a prime.

It is a super-2 number, since 2×4054871897² = 32883972202160757218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4054873897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027435948 + 2027435949.

It is an arithmetic number, because the mean of its divisors is an integer number (2027435949).

Almost surely, 2^4054871897 is an apocalyptic number.

It is an amenable number.

4054871897 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054871897 is an equidigital number, since it uses as much as digits as its factorization.

4054871897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The square root of 4054871897 is about 63677.8760402701. The cubic root of 4054871897 is about 1594.6267535945.

The spelling of 4054871897 in words is "four billion, fifty-four million, eight hundred seventy-one thousand, eight hundred ninety-seven".