64064454560234 has 4 divisors (see below), whose sum is σ = 96096681840354. Its totient is φ = 32032227280116.

The previous prime is 64064454560231. The next prime is 64064454560257. The reversal of 64064454560234 is 43206545446046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62556188107009 + 1508266453225 = 7909247^2 + 1228115^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64064454560231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16016113640057 + ... + 16016113640060.

Almost surely, 2^{64064454560234} is an apocalyptic number.

64064454560234 is a deficient number, since it is larger than the sum of its proper divisors (32032227280120).

64064454560234 is a wasteful number, since it uses less digits than its factorization.

64064454560234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32032227280119.

The product of its (nonzero) digits is 33177600, while the sum is 53.

The spelling of 64064454560234 in words is "sixty-four trillion, sixty-four billion, four hundred fifty-four million, five hundred sixty thousand, two hundred thirty-four".