2798648129 has 2 divisors, whose sum is σ = 2798648130. Its totient is φ = 2798648128.

The previous prime is 2798648117. The next prime is 2798648141. The reversal of 2798648129 is 9218468972.

It is a balanced prime because it is at equal distance from previous prime (2798648117) and next prime (2798648141).

It can be written as a sum of positive squares in only one way, i.e., 2585925904 + 212722225 = 50852^2 + 14585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798648129 - 2¹² = 2798644033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2798648189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399324064 + 1399324065.

It is an arithmetic number, because the mean of its divisors is an integer number (1399324065).

Almost surely, 2^2798648129 is an apocalyptic number.

It is an amenable number.

2798648129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798648129 is an equidigital number, since it uses as much as digits as its factorization.

2798648129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 56.

The square root of 2798648129 is about 52902.2506988124. The cubic root of 2798648129 is about 1409.2328756404.

The spelling of 2798648129 in words is "two billion, seven hundred ninety-eight million, six hundred forty-eight thousand, one hundred twenty-nine".