65450643050 has 24 divisors (see below), whose sum is σ = 131102673996. Its totient is φ = 24166391040.

The previous prime is 65450643019. The next prime is 65450643061. The reversal of 65450643050 is 5034605456.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12907459321 + 52543183729 = 113611^2 + 229223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65450642995 and 65450643013.

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, 50345999 + ... + 50347298.

Almost surely, 2^65450643050 is an apocalyptic number.

65450643050 is an abundant number, since it is smaller than the sum of its proper divisors (65652030946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65450643050 is a wasteful number, since it uses less digits than its factorization.

65450643050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100693322 (or 100693317 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 65450643050 in words is "sixty-five billion, four hundred fifty million, six hundred forty-three thousand, fifty".