64854295254952 has 16 divisors (see below), whose sum is σ = 138973489832160. Its totient is φ = 27794697966384.

The previous prime is 64854295254929. The next prime is 64854295254967. The reversal of 64854295254952 is 25945259245846.

It is a super-2 number, since 2×64854295254952² (a number of 28 digits) contains 22 as substring.

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, 579056207578 + ... + 579056207689.

It is an arithmetic number, because the mean of its divisors is an integer number (8685843114510).

Almost surely, 2^{64854295254952} is an apocalyptic number.

It is an amenable number.

64854295254952 is an abundant number, since it is smaller than the sum of its proper divisors (74119194577208).

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

64854295254952 is a wasteful number, since it uses less digits than its factorization.

64854295254952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158112415280 (or 1158112415276 counting only the distinct ones).

The product of its digits is 1244160000, while the sum is 70.

The spelling of 64854295254952 in words is "sixty-four trillion, eight hundred fifty-four billion, two hundred ninety-five million, two hundred fifty-four thousand, nine hundred fifty-two".