755042969 has 2 divisors, whose sum is σ = 755042970. Its totient is φ = 755042968.

The previous prime is 755042941. The next prime is 755042983. The reversal of 755042969 is 969240557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600985225 + 154057744 = 24515^2 + 12412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755042969 is a prime.

It is a super-2 number, since 2×755042969² = 1140179770072669922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (755042909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377521484 + 377521485.

It is an arithmetic number, because the mean of its divisors is an integer number (377521485).

Almost surely, 2^755042969 is an apocalyptic number.

It is an amenable number.

755042969 is a deficient number, since it is larger than the sum of its proper divisors (1).

755042969 is an equidigital number, since it uses as much as digits as its factorization.

755042969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 755042969 is about 27478.0452179554. The cubic root of 755042969 is about 910.5921231846.

The spelling of 755042969 in words is "seven hundred fifty-five million, forty-two thousand, nine hundred sixty-nine".