8939513401 has 27 divisors (see below), whose sum is σ = 11271331791. Its totient is φ = 7066214064.

The previous prime is 8939513399. The next prime is 8939513417. The reversal of 8939513401 is 1043159398.

The square root of 8939513401 is 94549.

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., 1322413225 + 7617100176 = 36365^2 + 87276^2 .

It is not a de Polignac number, because 8939513401 - 2¹ = 8939513399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8939513441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8603440 + ... + 8604478.

It is an arithmetic number, because the mean of its divisors is an integer number (417456733).

Almost surely, 2^8939513401 is an apocalyptic number.

8939513401 is the 94549-th square number.

8939513401 is the 47275-th centered octagonal number.

It is an amenable number.

8939513401 is a deficient number, since it is larger than the sum of its proper divisors (2331818390).

8939513401 is an equidigital number, since it uses as much as digits as its factorization.

8939513401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The cubic root of 8939513401 is about 2075.4134484409.

The spelling of 8939513401 in words is "eight billion, nine hundred thirty-nine million, five hundred thirteen thousand, four hundred one".