64862237220242 has 32 divisors (see below), whose sum is σ = 121305258547200. Its totient is φ = 25270074164880.

The previous prime is 64862237220223. The next prime is 64862237220251. The reversal of 64862237220242 is 24202273226846.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3510218 + ... + 11918309.

It is an arithmetic number, because the mean of its divisors is an integer number (3790789329600).

Almost surely, 2^{64862237220242} is an apocalyptic number.

64862237220242 is a deficient number, since it is larger than the sum of its proper divisors (56443021326958).

64862237220242 is a wasteful number, since it uses less digits than its factorization.

64862237220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15455846.

The product of its (nonzero) digits is 6193152, while the sum is 50.

The spelling of 64862237220242 in words is "sixty-four trillion, eight hundred sixty-two billion, two hundred thirty-seven million, two hundred twenty thousand, two hundred forty-two".