749637048593 has 2 divisors, whose sum is σ = 749637048594. Its totient is φ = 749637048592.

The previous prime is 749637048581. The next prime is 749637048613. The reversal of 749637048593 is 395840736947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611198731264 + 138438317329 = 781792^2 + 372073^2 .

It is a cyclic number.

It is not a de Polignac number, because 749637048593 - 2³⁶ = 680917571857 is a prime.

It is not a weakly prime, because it can be changed into another prime (749637048553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374818524296 + 374818524297.

It is an arithmetic number, because the mean of its divisors is an integer number (374818524297).

Almost surely, 2^749637048593 is an apocalyptic number.

It is an amenable number.

749637048593 is a deficient number, since it is larger than the sum of its proper divisors (1).

749637048593 is an equidigital number, since it uses as much as digits as its factorization.

749637048593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 749637048593 in words is "seven hundred forty-nine billion, six hundred thirty-seven million, forty-eight thousand, five hundred ninety-three".