4947715601 has 4 divisors (see below), whose sum is σ = 4948340772. Its totient is φ = 4947090432.

The previous prime is 4947715561. The next prime is 4947715603. The reversal of 4947715601 is 1065177494.

It is a Cunningham number, because it is equal to 70340²+1.

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 2859682576 + 2088033025 = 53476^2 + 45695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4947715601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4947715603) 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, 300560 + ... + 316593.

It is an arithmetic number, because the mean of its divisors is an integer number (1237085193).

Almost surely, 2^4947715601 is an apocalyptic number.

It is an amenable number.

4947715601 is a deficient number, since it is larger than the sum of its proper divisors (625171).

4947715601 is an equidigital number, since it uses as much as digits as its factorization.

4947715601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625170.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 4947715601 is about 70340.0000071083. Note that the first 5 decimals coincide. The cubic root of 4947715601 is about 1703.9947119795.

The spelling of 4947715601 in words is "four billion, nine hundred forty-seven million, seven hundred fifteen thousand, six hundred one".