75434261303425 has 6 divisors (see below), whose sum is σ = 93538484016278. Its totient is φ = 60347409042720.

The previous prime is 75434261303417. The next prime is 75434261303449. The reversal of 75434261303425 is 52430316243457.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24588576763969 + 50845684539456 = 4958687^2 + 7130616^2 .

It is not a de Polignac number, because 75434261303425 - 2³ = 75434261303417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1508685226044 + ... + 1508685226093.

Almost surely, 2^{75434261303425} is an apocalyptic number.

It is an amenable number.

75434261303425 is a deficient number, since it is larger than the sum of its proper divisors (18104222712853).

75434261303425 is a wasteful number, since it uses less digits than its factorization.

75434261303425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017370452147 (or 3017370452142 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 49.

The spelling of 75434261303425 in words is "seventy-five trillion, four hundred thirty-four billion, two hundred sixty-one million, three hundred three thousand, four hundred twenty-five".