763545749 has 2 divisors, whose sum is σ = 763545750. Its totient is φ = 763545748.

The previous prime is 763545721. The next prime is 763545751. The reversal of 763545749 is 947545367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437562724 + 325983025 = 20918^2 + 18055^2 .

It is an emirp because it is prime and its reverse (947545367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 763545749 - 2⁸ = 763545493 is a prime.

It is a super-2 number, since 2×763545749² = 1166004221631942002, which contains 22 as substring.

Together with 763545751, 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 = 763545697 and 763545706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763545709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381772874 + 381772875.

It is an arithmetic number, because the mean of its divisors is an integer number (381772875).

Almost surely, 2^763545749 is an apocalyptic number.

It is an amenable number.

763545749 is a deficient number, since it is larger than the sum of its proper divisors (1).

763545749 is an equidigital number, since it uses as much as digits as its factorization.

763545749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 50.

The square root of 763545749 is about 27632.3315881957. The cubic root of 763545749 is about 913.9975281117.

The spelling of 763545749 in words is "seven hundred sixty-three million, five hundred forty-five thousand, seven hundred forty-nine".