75058429861 has 2 divisors, whose sum is σ = 75058429862. Its totient is φ = 75058429860.

The previous prime is 75058429841. The next prime is 75058429879. The reversal of 75058429861 is 16892485057.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74375652961 + 682776900 = 272719^2 + 26130^2 .

It is a cyclic number.

It is not a de Polignac number, because 75058429861 - 2⁹ = 75058429349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75058429841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37529214930 + 37529214931.

It is an arithmetic number, because the mean of its divisors is an integer number (37529214931).

Almost surely, 2^75058429861 is an apocalyptic number.

It is an amenable number.

75058429861 is a deficient number, since it is larger than the sum of its proper divisors (1).

75058429861 is an equidigital number, since it uses as much as digits as its factorization.

75058429861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 75058429861 in words is "seventy-five billion, fifty-eight million, four hundred twenty-nine thousand, eight hundred sixty-one".