755445989741797 has 2 divisors, whose sum is σ = 755445989741798. Its totient is φ = 755445989741796.

The previous prime is 755445989741783. The next prime is 755445989741869. The reversal of 755445989741797 is 797147989544557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748606043963556 + 6839945778241 = 27360666^2 + 2615329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755445989741797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755445989741717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377722994870898 + 377722994870899.

It is an arithmetic number, because the mean of its divisors is an integer number (377722994870899).

Almost surely, 2^{755445989741797} is an apocalyptic number.

It is an amenable number.

755445989741797 is a deficient number, since it is larger than the sum of its proper divisors (1).

755445989741797 is an equidigital number, since it uses as much as digits as its factorization.

755445989741797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112021056000, while the sum is 91.

The spelling of 755445989741797 in words is "seven hundred fifty-five trillion, four hundred forty-five billion, nine hundred eighty-nine million, seven hundred forty-one thousand, seven hundred ninety-seven".