650354788264 has 16 divisors (see below), whose sum is σ = 1223261968500. Its totient is φ = 324151596672.

The previous prime is 650354788253. The next prime is 650354788271. The reversal of 650354788264 is 462887453056.

It can be written as a sum of positive squares in 2 ways, for example, as 632168108100 + 18186680164 = 795090^2 + 134858^2 .

It is a super-2 number, since 2×650354788264² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 650354788199 and 650354788208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128221989 + ... + 128227060.

Almost surely, 2^650354788264 is an apocalyptic number.

It is an amenable number.

650354788264 is a deficient number, since it is larger than the sum of its proper divisors (572907180236).

650354788264 is a wasteful number, since it uses less digits than its factorization.

650354788264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256449372 (or 256449368 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 650354788264 in words is "six hundred fifty billion, three hundred fifty-four million, seven hundred eighty-eight thousand, two hundred sixty-four".