75294349865 has 16 divisors (see below), whose sum is σ = 105368188800. Its totient is φ = 51630410160.

The previous prime is 75294349849. The next prime is 75294349903. The reversal of 75294349865 is 56894349257.

It is not a de Polignac number, because 75294349865 - 2⁴ = 75294349849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75294349798 and 75294349807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21949991 + ... + 21953420.

It is an arithmetic number, because the mean of its divisors is an integer number (6585511800).

Almost surely, 2^75294349865 is an apocalyptic number.

It is an amenable number.

75294349865 is a deficient number, since it is larger than the sum of its proper divisors (30073838935).

75294349865 is an equidigital number, since it uses as much as digits as its factorization.

75294349865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43903437 (or 43903423 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 62.

The spelling of 75294349865 in words is "seventy-five billion, two hundred ninety-four million, three hundred forty-nine thousand, eight hundred sixty-five".