39128289601 has 2 divisors, whose sum is σ = 39128289602. Its totient is φ = 39128289600.

The previous prime is 39128289593. The next prime is 39128289611. The reversal of 39128289601 is 10698282193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28029456400 + 11098833201 = 167420^2 + 105351^2 .

It is a cyclic number.

It is not a de Polignac number, because 39128289601 - 2³ = 39128289593 is a prime.

It is not a weakly prime, because it can be changed into another prime (39128289611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19564144800 + 19564144801.

It is an arithmetic number, because the mean of its divisors is an integer number (19564144801).

Almost surely, 2^39128289601 is an apocalyptic number.

It is an amenable number.

39128289601 is a deficient number, since it is larger than the sum of its proper divisors (1).

39128289601 is an equidigital number, since it uses as much as digits as its factorization.

39128289601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 39128289601 in words is "thirty-nine billion, one hundred twenty-eight million, two hundred eighty-nine thousand, six hundred one".