770423449 has 2 divisors, whose sum is σ = 770423450. Its totient is φ = 770423448.

The previous prime is 770423413. The next prime is 770423503. The reversal of 770423449 is 944324077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769507600 + 915849 = 27740^2 + 957^2 .

It is a cyclic number.

It is not a de Polignac number, because 770423449 - 2⁷ = 770423321 is a prime.

It is not a weakly prime, because it can be changed into another prime (770420449) 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, 385211724 + 385211725.

It is an arithmetic number, because the mean of its divisors is an integer number (385211725).

Almost surely, 2^770423449 is an apocalyptic number.

It is an amenable number.

770423449 is a deficient number, since it is larger than the sum of its proper divisors (1).

770423449 is an equidigital number, since it uses as much as digits as its factorization.

770423449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 770423449 is about 27756.5028236628. The cubic root of 770423449 is about 916.7336314422.

The spelling of 770423449 in words is "seven hundred seventy million, four hundred twenty-three thousand, four hundred forty-nine".