8539329401 has 2 divisors, whose sum is σ = 8539329402. Its totient is φ = 8539329400.

The previous prime is 8539329389. The next prime is 8539329481. The reversal of 8539329401 is 1049239358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7402021225 + 1137308176 = 86035^2 + 33724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8539329401 is a prime.

It is not a weakly prime, because it can be changed into another prime (8539329481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4269664700 + 4269664701.

It is an arithmetic number, because the mean of its divisors is an integer number (4269664701).

Almost surely, 2^8539329401 is an apocalyptic number.

It is an amenable number.

8539329401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8539329401 is an equidigital number, since it uses as much as digits as its factorization.

8539329401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 8539329401 is about 92408.4920394224. The cubic root of 8539329401 is about 2043.9703371557.

The spelling of 8539329401 in words is "eight billion, five hundred thirty-nine million, three hundred twenty-nine thousand, four hundred one".