64968402322 has 8 divisors (see below), whose sum is σ = 98787570876. Its totient is φ = 32039212032.

The previous prime is 64968402313. The next prime is 64968402383. The reversal of 64968402322 is 22320486946.

It is a Cunningham number, because it is equal to 254889²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 64968402321 + 1 = 254889^2 + 1^2 .

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, 222494383 + ... + 222494674.

Almost surely, 2^64968402322 is an apocalyptic number.

64968402322 is a deficient number, since it is larger than the sum of its proper divisors (33819168554).

64968402322 is a wasteful number, since it uses less digits than its factorization.

64968402322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444989132.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 64968402322 in words is "sixty-four billion, nine hundred sixty-eight million, four hundred two thousand, three hundred twenty-two".