4321010557 has 2 divisors, whose sum is σ = 4321010558. Its totient is φ = 4321010556.

The previous prime is 4321010549. The next prime is 4321010587. The reversal of 4321010557 is 7550101234.

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., 3108508516 + 1212502041 = 55754^2 + 34821^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321010557 - 2³ = 4321010549 is a prime.

It is a super-4 number, since 4×4321010557⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321010537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160505278 + 2160505279.

It is an arithmetic number, because the mean of its divisors is an integer number (2160505279).

Almost surely, 2^4321010557 is an apocalyptic number.

It is an amenable number.

4321010557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321010557 is an equidigital number, since it uses as much as digits as its factorization.

4321010557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 4321010557 is about 65734.3940186566. The cubic root of 4321010557 is about 1628.7775542097. Note that the first 3 decimals are identical.

The spelling of 4321010557 in words is "four billion, three hundred twenty-one million, ten thousand, five hundred fifty-seven".