64213883508090 has 64 divisors (see below), whose sum is σ = 154236110555520. Its totient is φ = 17110062673920.

The previous prime is 64213883508067. The next prime is 64213883508091. The reversal of 64213883508090 is 9080538831246.

It is a self number, because there is not a number n which added to its sum of digits gives 64213883508090.

It is not an unprimeable number, because it can be changed into a prime (64213883508091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282603825 + ... + 282830955.

It is an arithmetic number, because the mean of its divisors is an integer number (2409939227430).

Almost surely, 2^{64213883508090} is an apocalyptic number.

64213883508090 is an abundant number, since it is smaller than the sum of its proper divisors (90022227047430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64213883508090 is a wasteful number, since it uses less digits than its factorization.

64213883508090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234607.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 64213883508090 in words is "sixty-four trillion, two hundred thirteen billion, eight hundred eighty-three million, five hundred eight thousand, ninety".