64043651362 has 8 divisors (see below), whose sum is σ = 96066914076. Its totient is φ = 32021346672.

The previous prime is 64043651351. The next prime is 64043651381. The reversal of 64043651362 is 26315634046.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48558088881 + 15485562481 = 220359^2 + 124441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38713 + ... + 359980.

Almost surely, 2^64043651362 is an apocalyptic number.

64043651362 is a deficient number, since it is larger than the sum of its proper divisors (32023262714).

64043651362 is a wasteful number, since it uses less digits than its factorization.

64043651362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479012.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 64043651362 in words is "sixty-four billion, forty-three million, six hundred fifty-one thousand, three hundred sixty-two".