75054794389 has 2 divisors, whose sum is σ = 75054794390. Its totient is φ = 75054794388.

The previous prime is 75054794383. The next prime is 75054794443. The reversal of 75054794389 is 98349745057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47063831364 + 27990963025 = 216942^2 + 167305^2 .

It is a cyclic number.

It is not a de Polignac number, because 75054794389 - 2⁵ = 75054794357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75054794383) 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, 37527397194 + 37527397195.

It is an arithmetic number, because the mean of its divisors is an integer number (37527397195).

Almost surely, 2^75054794389 is an apocalyptic number.

It is an amenable number.

75054794389 is a deficient number, since it is larger than the sum of its proper divisors (1).

75054794389 is an equidigital number, since it uses as much as digits as its factorization.

75054794389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 75054794389 in words is "seventy-five billion, fifty-four million, seven hundred ninety-four thousand, three hundred eighty-nine".