94239614028681 has 135 divisors (see below), whose sum is σ = 153258334502455. Its totient is φ = 55801464565440.

The previous prime is 94239614028643. The next prime is 94239614028691. The reversal of 94239614028681 is 18682041693249.

The square root of 94239614028681 is 9707709.

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

94239614028681 is a `hidden beast` number, since 9 + 4 + 2 + 3 + 9 + 614 + 0 + 2 + 8 + 6 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15532198270281 + 78707415758400 = 3941091^2 + 8871720^2 .

It is not a de Polignac number, because 94239614028681 - 2¹⁷ = 94239613897609 is a prime.

It is a super-2 number, since 2×94239614028681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94239614028601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 165623222965 + ... + 165623223533.

Almost surely, 2^{94239614028681} is an apocalyptic number.

94239614028681 is the 9707709-th square number.

94239614028681 is the 4853855-th centered octagonal number.

It is an amenable number.

94239614028681 is a deficient number, since it is larger than the sum of its proper divisors (59018720473774).

94239614028681 is an frugal number, since it uses more digits than its factorization.

94239614028681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 94239614028681 in words is "ninety-four trillion, two hundred thirty-nine billion, six hundred fourteen million, twenty-eight thousand, six hundred eighty-one".