755239691 has 2 divisors, whose sum is σ = 755239692. Its totient is φ = 755239690.

The previous prime is 755239679. The next prime is 755239697. The reversal of 755239691 is 196932557.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 755239691 - 2⁶ = 755239627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (755239697) 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, 377619845 + 377619846.

It is an arithmetic number, because the mean of its divisors is an integer number (377619846).

Almost surely, 2^755239691 is an apocalyptic number.

755239691 is a deficient number, since it is larger than the sum of its proper divisors (1).

755239691 is an equidigital number, since it uses as much as digits as its factorization.

755239691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 47.

The square root of 755239691 is about 27481.6246062710. The cubic root of 755239691 is about 910.6711994561.

The spelling of 755239691 in words is "seven hundred fifty-five million, two hundred thirty-nine thousand, six hundred ninety-one".