4054331657 has 2 divisors, whose sum is σ = 4054331658. Its totient is φ = 4054331656.

The previous prime is 4054331641. The next prime is 4054331681. The reversal of 4054331657 is 7561334504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4037839936 + 16491721 = 63544^2 + 4061^2 .

It is a cyclic number.

It is not a de Polignac number, because 4054331657 - 2⁴ = 4054331641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4054331657.

It is not a weakly prime, because it can be changed into another prime (4054331257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027165828 + 2027165829.

It is an arithmetic number, because the mean of its divisors is an integer number (2027165829).

Almost surely, 2^4054331657 is an apocalyptic number.

It is an amenable number.

4054331657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4054331657 is an equidigital number, since it uses as much as digits as its factorization.

4054331657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 4054331657 is about 63673.6339233124. The cubic root of 4054331657 is about 1594.5559318406. Note that the first 3 decimals are identical.

The spelling of 4054331657 in words is "four billion, fifty-four million, three hundred thirty-one thousand, six hundred fifty-seven".