64434252545352 has 32 divisors (see below), whose sum is σ = 178984034848800. Its totient is φ = 21478084181712.

The previous prime is 64434252545293. The next prime is 64434252545363. The reversal of 64434252545352 is 25354525243446.

It is a happy number.

64434252545352 is a `hidden beast` number, since 6 + 4 + 4 + 3 + 4 + 2 + 52 + 54 + 535 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149153362158 + ... + 149153362589.

It is an arithmetic number, because the mean of its divisors is an integer number (5593251089025).

Almost surely, 2^{64434252545352} is an apocalyptic number.

It is an amenable number.

64434252545352 is an abundant number, since it is smaller than the sum of its proper divisors (114549782303448).

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

64434252545352 is a wasteful number, since it uses less digits than its factorization.

64434252545352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298306724762 (or 298306724752 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 54.

Adding to 64434252545352 its reverse (25354525243446), we get a palindrome (89788777788798).

The spelling of 64434252545352 in words is "sixty-four trillion, four hundred thirty-four billion, two hundred fifty-two million, five hundred forty-five thousand, three hundred fifty-two".