75381355458029 has 2 divisors, whose sum is σ = 75381355458030. Its totient is φ = 75381355458028.

The previous prime is 75381355458023. The next prime is 75381355458133. The reversal of 75381355458029 is 92085455318357.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66120885675625 + 9260469782404 = 8131475^2 + 3043102^2 .

It is a cyclic number.

It is not a de Polignac number, because 75381355458029 - 2³⁶ = 75312635981293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75381355458023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37690677729014 + 37690677729015.

It is an arithmetic number, because the mean of its divisors is an integer number (37690677729015).

Almost surely, 2^{75381355458029} is an apocalyptic number.

It is an amenable number.

75381355458029 is a deficient number, since it is larger than the sum of its proper divisors (1).

75381355458029 is an equidigital number, since it uses as much as digits as its factorization.

75381355458029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440000, while the sum is 65.

The spelling of 75381355458029 in words is "seventy-five trillion, three hundred eighty-one billion, three hundred fifty-five million, four hundred fifty-eight thousand, twenty-nine".