239747381153284 has 27 divisors (see below), whose sum is σ = 419863409676543. Its totient is φ = 119786470455168.

The previous prime is 239747381153233. The next prime is 239747381153383. The reversal of 239747381153284 is 482351183747932.

The square root of 239747381153284 is 15483778.

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

It can be written as a sum of positive squares in 4 ways, for example, as 19903893658884 + 219843487494400 = 4461378^2 + 14827120^2 .

It is a super-2 number, since 2×239747381153284² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 73609878984 + ... + 73609882240.

Almost surely, 2^{239747381153284} is an apocalyptic number.

239747381153284 is the 15483778-th square number.

It is an amenable number.

239747381153284 is a deficient number, since it is larger than the sum of its proper divisors (180116028523259).

239747381153284 is an frugal number, since it uses more digits than its factorization.

239747381153284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272 (or 5636 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 67.

The spelling of 239747381153284 in words is "two hundred thirty-nine trillion, seven hundred forty-seven billion, three hundred eighty-one million, one hundred fifty-three thousand, two hundred eighty-four".