64057705522 has 8 divisors (see below), whose sum is σ = 96090614172. Its totient is φ = 32027500800.

The previous prime is 64057705493. The next prime is 64057705529. The reversal of 64057705522 is 22550775046.

It can be written as a sum of positive squares in 2 ways, for example, as 63933628201 + 124077321 = 252851^2 + 11139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64057705529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615679 + ... + 712162.

Almost surely, 2^64057705522 is an apocalyptic number.

64057705522 is a deficient number, since it is larger than the sum of its proper divisors (32032908650).

64057705522 is a wasteful number, since it uses less digits than its factorization.

64057705522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351964.

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 64057705522 in words is "sixty-four billion, fifty-seven million, seven hundred five thousand, five hundred twenty-two".