64264842842 has 8 divisors (see below), whose sum is σ = 96423520116. Its totient is φ = 32123669472.

The previous prime is 64264842797. The next prime is 64264842871. The reversal of 64264842842 is 24824846246.

It can be written as a sum of positive squares in 2 ways, for example, as 63775946521 + 488896321 = 252539^2 + 22111^2 .

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, 4366793 + ... + 4381484.

Almost surely, 2^64264842842 is an apocalyptic number.

64264842842 is a deficient number, since it is larger than the sum of its proper divisors (32158677274).

64264842842 is a wasteful number, since it uses less digits than its factorization.

64264842842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8751952.

The product of its digits is 4718592, while the sum is 50.

The spelling of 64264842842 in words is "sixty-four billion, two hundred sixty-four million, eight hundred forty-two thousand, eight hundred forty-two".