65025850860434 has 4 divisors (see below), whose sum is σ = 97538776290654. Its totient is φ = 32512925430216.

The previous prime is 65025850860433. The next prime is 65025850860571. The reversal of 65025850860434 is 43406805852056.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47037691710409 + 17988159150025 = 6858403^2 + 4241245^2 .

It is a super-2 number, since 2×65025850860434² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65025850860434.

It is not an unprimeable number, because it can be changed into a prime (65025850860433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16256462715107 + ... + 16256462715110.

Almost surely, 2^{65025850860434} is an apocalyptic number.

65025850860434 is a deficient number, since it is larger than the sum of its proper divisors (32512925430220).

65025850860434 is a wasteful number, since it uses less digits than its factorization.

65025850860434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32512925430219.

The product of its (nonzero) digits is 27648000, while the sum is 56.

The spelling of 65025850860434 in words is "sixty-five trillion, twenty-five billion, eight hundred fifty million, eight hundred sixty thousand, four hundred thirty-four".