755695863649 has 2 divisors, whose sum is σ = 755695863650. Its totient is φ = 755695863648.

The previous prime is 755695863617. The next prime is 755695863661. The reversal of 755695863649 is 946368596557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755682490000 + 13373649 = 869300^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 755695863649 - 2⁵ = 755695863617 is a prime.

It is not a weakly prime, because it can be changed into another prime (755695863749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377847931824 + 377847931825.

It is an arithmetic number, because the mean of its divisors is an integer number (377847931825).

Almost surely, 2^755695863649 is an apocalyptic number.

It is an amenable number.

755695863649 is a deficient number, since it is larger than the sum of its proper divisors (1).

755695863649 is an equidigital number, since it uses as much as digits as its factorization.

755695863649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664000, while the sum is 73.

The spelling of 755695863649 in words is "seven hundred fifty-five billion, six hundred ninety-five million, eight hundred sixty-three thousand, six hundred forty-nine".