64530234012235 has 4 divisors (see below), whose sum is σ = 77436280814688. Its totient is φ = 51624187209784.

The previous prime is 64530234012229. The next prime is 64530234012289. The reversal of 64530234012235 is 53221043203546.

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

It is a cyclic number.

It is not a de Polignac number, because 64530234012235 - 2²⁵ = 64530200457803 is a prime.

It is a super-2 number, since 2×64530234012235² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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, 6453023401219 + ... + 6453023401228.

It is an arithmetic number, because the mean of its divisors is an integer number (19359070203672).

Almost surely, 2^{64530234012235} is an apocalyptic number.

64530234012235 is a deficient number, since it is larger than the sum of its proper divisors (12906046802453).

64530234012235 is a wasteful number, since it uses less digits than its factorization.

64530234012235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12906046802452.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 64530234012235 in words is "sixty-four trillion, five hundred thirty billion, two hundred thirty-four million, twelve thousand, two hundred thirty-five".