2800673129 has 2 divisors, whose sum is σ = 2800673130. Its totient is φ = 2800673128.

The previous prime is 2800673101. The next prime is 2800673147. The reversal of 2800673129 is 9213760082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2149249600 + 651423529 = 46360^2 + 25523^2 .

It is a cyclic number.

It is not a de Polignac number, because 2800673129 - 2⁸ = 2800672873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2800673092 and 2800673101.

It is not a weakly prime, because it can be changed into another prime (2800673159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400336564 + 1400336565.

It is an arithmetic number, because the mean of its divisors is an integer number (1400336565).

Almost surely, 2^2800673129 is an apocalyptic number.

It is an amenable number.

2800673129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800673129 is an equidigital number, since it uses as much as digits as its factorization.

2800673129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2800673129 is about 52921.3863102621. The cubic root of 2800673129 is about 1409.5726835811.

The spelling of 2800673129 in words is "two billion, eight hundred million, six hundred seventy-three thousand, one hundred twenty-nine".