64533671034 has 64 divisors (see below), whose sum is σ = 148865581056. Its totient is φ = 18268576704.

The previous prime is 64533671017. The next prime is 64533671051. The reversal of 64533671034 is 43017633546.

It is an interprime number because it is at equal distance from previous prime (64533671017) and next prime (64533671051).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4190172 + ... + 4205544.

It is an arithmetic number, because the mean of its divisors is an integer number (2326024704).

Almost surely, 2^64533671034 is an apocalyptic number.

64533671034 is an abundant number, since it is smaller than the sum of its proper divisors (84331910022).

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

64533671034 is a wasteful number, since it uses less digits than its factorization.

64533671034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16299.

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 64533671034 in words is "sixty-four billion, five hundred thirty-three million, six hundred seventy-one thousand, thirty-four".