4247971172 has 12 divisors (see below), whose sum is σ = 7460788860. Its totient is φ = 2116317216.

The previous prime is 4247971159. The next prime is 4247971183. The reversal of 4247971172 is 2711797424.

It can be written as a sum of positive squares in 2 ways, for example, as 1601280256 + 2646690916 = 40016^2 + 51446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915847 + ... + 1918062.

It is an arithmetic number, because the mean of its divisors is an integer number (621732405).

Almost surely, 2^4247971172 is an apocalyptic number.

It is an amenable number.

4247971172 is a deficient number, since it is larger than the sum of its proper divisors (3212817688).

4247971172 is a wasteful number, since it uses less digits than its factorization.

4247971172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834190 (or 3834188 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 4247971172 is about 65176.4617941171. The cubic root of 4247971172 is about 1619.5481100008.

The spelling of 4247971172 in words is "four billion, two hundred forty-seven million, nine hundred seventy-one thousand, one hundred seventy-two".