850018433425 has 12 divisors (see below), whose sum is σ = 1204597551616. Its totient is φ = 582869782800.

The previous prime is 850018433419. The next prime is 850018433431. The reversal of 850018433425 is 524334810058.

It is an interprime number because it is at equal distance from previous prime (850018433419) and next prime (850018433431).

It is a de Polignac number, because none of the positive numbers 2^k-850018433425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2428623921 + ... + 2428624270.

Almost surely, 2^850018433425 is an apocalyptic number.

It is an amenable number.

850018433425 is a deficient number, since it is larger than the sum of its proper divisors (354579118191).

850018433425 is a wasteful number, since it uses less digits than its factorization.

850018433425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857248208 (or 4857248203 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 850018433425 in words is "eight hundred fifty billion, eighteen million, four hundred thirty-three thousand, four hundred twenty-five".