4247775506 has 8 divisors (see below), whose sum is σ = 6861791244. Its totient is φ = 1960511760.

The previous prime is 4247775479. The next prime is 4247775523. The reversal of 4247775506 is 6055777424.

It can be written as a sum of positive squares in 2 ways, for example, as 3867720481 + 380055025 = 62191^2 + 19495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81687965 + ... + 81688016.

Almost surely, 2^4247775506 is an apocalyptic number.

4247775506 is a deficient number, since it is larger than the sum of its proper divisors (2614015738).

4247775506 is a wasteful number, since it uses less digits than its factorization.

4247775506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163375996.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The square root of 4247775506 is about 65174.9607287952. The cubic root of 4247775506 is about 1619.5232435917.

The spelling of 4247775506 in words is "four billion, two hundred forty-seven million, seven hundred seventy-five thousand, five hundred six".