75005441389 has 2 divisors, whose sum is σ = 75005441390. Its totient is φ = 75005441388.

The previous prime is 75005441363. The next prime is 75005441417. The reversal of 75005441389 is 98314450057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55904819364 + 19100622025 = 236442^2 + 138205^2 .

It is a cyclic number.

It is not a de Polignac number, because 75005441389 - 2¹³ = 75005433197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75005441309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37502720694 + 37502720695.

It is an arithmetic number, because the mean of its divisors is an integer number (37502720695).

Almost surely, 2^75005441389 is an apocalyptic number.

It is an amenable number.

75005441389 is a deficient number, since it is larger than the sum of its proper divisors (1).

75005441389 is an equidigital number, since it uses as much as digits as its factorization.

75005441389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 75005441389 in words is "seventy-five billion, five million, four hundred forty-one thousand, three hundred eighty-nine".