799028149 has 2 divisors, whose sum is σ = 799028150. Its totient is φ = 799028148.

The previous prime is 799028137. The next prime is 799028177. The reversal of 799028149 is 941820997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485100625 + 313927524 = 22025^2 + 17718^2 .

It is a cyclic number.

It is not a de Polignac number, because 799028149 - 2²³ = 790639541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799028449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399514074 + 399514075.

It is an arithmetic number, because the mean of its divisors is an integer number (399514075).

Almost surely, 2^799028149 is an apocalyptic number.

It is an amenable number.

799028149 is a deficient number, since it is larger than the sum of its proper divisors (1).

799028149 is an equidigital number, since it uses as much as digits as its factorization.

799028149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 799028149 is about 28267.0859658367. The cubic root of 799028149 is about 927.9417033366.

The spelling of 799028149 in words is "seven hundred ninety-nine million, twenty-eight thousand, one hundred forty-nine".