2613128929 has 2 divisors, whose sum is σ = 2613128930. Its totient is φ = 2613128928.

The previous prime is 2613128909. The next prime is 2613128933. The reversal of 2613128929 is 9298213162.

2613128929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2028601600 + 584527329 = 45040^2 + 24177^2 .

It is a cyclic number.

It is not a de Polignac number, because 2613128929 - 2¹⁹ = 2612604641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2613128909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306564464 + 1306564465.

It is an arithmetic number, because the mean of its divisors is an integer number (1306564465).

Almost surely, 2^2613128929 is an apocalyptic number.

It is an amenable number.

2613128929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2613128929 is an equidigital number, since it uses as much as digits as its factorization.

2613128929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 2613128929 is about 51118.7727650029. The cubic root of 2613128929 is about 1377.3794926437.

The spelling of 2613128929 in words is "two billion, six hundred thirteen million, one hundred twenty-eight thousand, nine hundred twenty-nine".