761964449 has 2 divisors, whose sum is σ = 761964450. Its totient is φ = 761964448.

The previous prime is 761964443. The next prime is 761964451. The reversal of 761964449 is 944469167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460317025 + 301647424 = 21455^2 + 17368^2 .

It is a cyclic number.

It is not a de Polignac number, because 761964449 - 2²⁸ = 493528993 is a prime.

Together with 761964451, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 761964397 and 761964406.

It is not a weakly prime, because it can be changed into another prime (761964443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380982224 + 380982225.

It is an arithmetic number, because the mean of its divisors is an integer number (380982225).

Almost surely, 2^761964449 is an apocalyptic number.

It is an amenable number.

761964449 is a deficient number, since it is larger than the sum of its proper divisors (1).

761964449 is an equidigital number, since it uses as much as digits as its factorization.

761964449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 761964449 is about 27603.7035377501. The cubic root of 761964449 is about 913.3661303719.

The spelling of 761964449 in words is "seven hundred sixty-one million, nine hundred sixty-four thousand, four hundred forty-nine".