4463948557 has 4 divisors (see below), whose sum is σ = 4465217020. Its totient is φ = 4462680096.

The previous prime is 4463948539. The next prime is 4463948561. The reversal of 4463948557 is 7558493644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1201939561 + 3262008996 = 34669^2 + 57114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4463948557 - 2⁷ = 4463948429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4463948498 and 4463948507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4463948507) 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, 628938 + ... + 635995.

It is an arithmetic number, because the mean of its divisors is an integer number (1116304255).

Almost surely, 2^4463948557 is an apocalyptic number.

It is an amenable number.

4463948557 is a deficient number, since it is larger than the sum of its proper divisors (1268463).

4463948557 is a wasteful number, since it uses less digits than its factorization.

4463948557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268462.

The product of its digits is 14515200, while the sum is 55.

The square root of 4463948557 is about 66812.7873763698. The cubic root of 4463948557 is about 1646.5429371857.

The spelling of 4463948557 in words is "four billion, four hundred sixty-three million, nine hundred forty-eight thousand, five hundred fifty-seven".