761648449 has 2 divisors, whose sum is σ = 761648450. Its totient is φ = 761648448.

The previous prime is 761648443. The next prime is 761648471. The reversal of 761648449 is 944846167.

761648449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688117824 + 73530625 = 26232^2 + 8575^2 .

It is an emirp because it is prime and its reverse (944846167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761648449 - 2⁹ = 761647937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (761648443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380824224 + 380824225.

It is an arithmetic number, because the mean of its divisors is an integer number (380824225).

Almost surely, 2^761648449 is an apocalyptic number.

It is an amenable number.

761648449 is a deficient number, since it is larger than the sum of its proper divisors (1).

761648449 is an equidigital number, since it uses as much as digits as its factorization.

761648449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The square root of 761648449 is about 27597.9790745627. The cubic root of 761648449 is about 913.2398499373.

It can be divided in two parts, 7616 and 48449, that added together give a palindrome (56065).

The spelling of 761648449 in words is "seven hundred sixty-one million, six hundred forty-eight thousand, four hundred forty-nine".