2139102601 has 2 divisors, whose sum is σ = 2139102602. Its totient is φ = 2139102600.

The previous prime is 2139102527. The next prime is 2139102607. The reversal of 2139102601 is 1062019312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1285294201 + 853808400 = 35851^2 + 29220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2139102601 - 2¹¹ = 2139100553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139102607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069551300 + 1069551301.

It is an arithmetic number, because the mean of its divisors is an integer number (1069551301).

Almost surely, 2^2139102601 is an apocalyptic number.

It is an amenable number.

2139102601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139102601 is an equidigital number, since it uses as much as digits as its factorization.

2139102601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2139102601 is about 46250.4335222925. The cubic root of 2139102601 is about 1288.4785863499.

The spelling of 2139102601 in words is "two billion, one hundred thirty-nine million, one hundred two thousand, six hundred one".