247319225344 has 33 divisors (see below), whose sum is σ = 494428742481. Its totient is φ = 123651655680.

The previous prime is 247319225323. The next prime is 247319225369. The reversal of 247319225344 is 443522913742.

The square root of 247319225344 is 497312.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 193346642944 + 53972582400 = 439712^2 + 232320^2 .

It is a super-2 number, since 2×247319225344² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247319225294 and 247319225303.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15906214 + ... + 15921754.

Almost surely, 2^247319225344 is an apocalyptic number.

247319225344 is the 497312-nd square number.

It is an amenable number.

247319225344 is a deficient number, since it is larger than the sum of its proper divisors (247109517137).

247319225344 is an frugal number, since it uses more digits than its factorization.

247319225344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31102 (or 15543 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The spelling of 247319225344 in words is "two hundred forty-seven billion, three hundred nineteen million, two hundred twenty-five thousand, three hundred forty-four".