4358521057 has 4 divisors (see below), whose sum is σ = 4754750256. Its totient is φ = 3962291860.

The previous prime is 4358521049. The next prime is 4358521061. The reversal of 4358521057 is 7501258534.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4358521057 - 2³ = 4358521049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4358521357) 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 in 3 ways as a sum of consecutive naturals, for example, 198114583 + ... + 198114604.

It is an arithmetic number, because the mean of its divisors is an integer number (1188687564).

Almost surely, 2^4358521057 is an apocalyptic number.

It is an amenable number.

4358521057 is a deficient number, since it is larger than the sum of its proper divisors (396229199).

4358521057 is a wasteful number, since it uses less digits than its factorization.

4358521057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396229198.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 4358521057 is about 66019.0961540674. The cubic root of 4358521057 is about 1633.4770966012.

The spelling of 4358521057 in words is "four billion, three hundred fifty-eight million, five hundred twenty-one thousand, fifty-seven".