64306854250 has 32 divisors (see below), whose sum is σ = 120692080080. Its totient is φ = 25656577600.

The previous prime is 64306854247. The next prime is 64306854281. The reversal of 64306854250 is 5245860346.

It can be written as a sum of positive squares in 8 ways, for example, as 1547084889 + 62759769361 = 39333^2 + 250519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64306854197 and 64306854206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233377 + ... + 427876.

Almost surely, 2^64306854250 is an apocalyptic number.

64306854250 is a deficient number, since it is larger than the sum of its proper divisors (56385225830).

64306854250 is a wasteful number, since it uses less digits than its factorization.

64306854250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661659 (or 661649 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 64306854250 in words is "sixty-four billion, three hundred six million, eight hundred fifty-four thousand, two hundred fifty".