64506613322 has 32 divisors (see below), whose sum is σ = 103474495872. Its totient is φ = 30054426624.

The previous prime is 64506613307. The next prime is 64506613351. The reversal of 64506613322 is 22331660546.

It is a happy number.

It is a super-2 number, since 2×64506613322² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435418 + ... + 1479674.

It is an arithmetic number, because the mean of its divisors is an integer number (3233577996).

Almost surely, 2^64506613322 is an apocalyptic number.

64506613322 is a deficient number, since it is larger than the sum of its proper divisors (38967882550).

64506613322 is a wasteful number, since it uses less digits than its factorization.

64506613322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44702.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 64506613322 in words is "sixty-four billion, five hundred six million, six hundred thirteen thousand, three hundred twenty-two".