439797049 has 2 divisors, whose sum is σ = 439797050. Its totient is φ = 439797048.

The previous prime is 439796993. The next prime is 439797067. The reversal of 439797049 is 940797934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413715600 + 26081449 = 20340^2 + 5107^2 .

It is a cyclic number.

It is not a de Polignac number, because 439797049 - 2⁷ = 439796921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 439796987 and 439797005.

It is not a weakly prime, because it can be changed into another prime (439797649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219898524 + 219898525.

It is an arithmetic number, because the mean of its divisors is an integer number (219898525).

Almost surely, 2^439797049 is an apocalyptic number.

It is an amenable number.

439797049 is a deficient number, since it is larger than the sum of its proper divisors (1).

439797049 is an equidigital number, since it uses as much as digits as its factorization.

439797049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 439797049 is about 20971.3387507808. The cubic root of 439797049 is about 760.4735328035.

The spelling of 439797049 in words is "four hundred thirty-nine million, seven hundred ninety-seven thousand, forty-nine".