64225996802 has 30 divisors (see below), whose sum is σ = 106043839545. Its totient is φ = 29173922800.

The previous prime is 64225996771. The next prime is 64225996811. The reversal of 64225996802 is 20869952246.

It can be written as a sum of positive squares in 2 ways, for example, as 63892167361 + 333829441 = 252769^2 + 18271^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=179201.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 43365902 + ... + 43367382.

Almost surely, 2^64225996802 is an apocalyptic number.

64225996802 is a deficient number, since it is larger than the sum of its proper divisors (41817842743).

64225996802 is an frugal number, since it uses more digits than its factorization.

64225996802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 64225996802 in words is "sixty-four billion, two hundred twenty-five million, nine hundred ninety-six thousand, eight hundred two".