8939298697956 has 243 divisors, whose sum is σ = 25169199112603. Its totient is φ = 2673179393280.

The previous prime is 8939298697921. The next prime is 8939298697969. The reversal of 8939298697956 is 6597968929398.

The square root of 8939298697956 is 2989866.

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

8939298697956 is a `hidden beast` number, since 8 + 9 + 392 + 9 + 86 + 97 + 9 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 394657956 + 8938904040000 = 19866^2 + 2989800^2 .

It is a super-2 number, since 2×8939298697956² (a number of 27 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 80 ways as a sum of consecutive naturals, for example, 17562472630 + ... + 17562473138.

Almost surely, 2^{8939298697956} is an apocalyptic number.

8939298697956 is the 2989866-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8939298697956

8939298697956 is an abundant number, since it is smaller than the sum of its proper divisors (16229900414647).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8939298697956 is a wasteful number, since it uses less digits than its factorization.

8939298697956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 614 counting only the distinct ones).

The product of its digits is 28570268160, while the sum is 90.

The spelling of 8939298697956 in words is "eight trillion, nine hundred thirty-nine billion, two hundred ninety-eight million, six hundred ninety-seven thousand, nine hundred fifty-six".