64216407235 has 16 divisors (see below), whose sum is σ = 78959875680. Its totient is φ = 50106991360.

The previous prime is 64216407197. The next prime is 64216407253. The reversal of 64216407235 is 53270461246.

It is not a de Polignac number, because 64216407235 - 2²⁵ = 64182852803 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783636 + ... + 861694.

It is an arithmetic number, because the mean of its divisors is an integer number (4934992230).

Almost surely, 2^64216407235 is an apocalyptic number.

64216407235 is a deficient number, since it is larger than the sum of its proper divisors (14743468445).

64216407235 is a wasteful number, since it uses less digits than its factorization.

64216407235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82118.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 64216407235 in words is "sixty-four billion, two hundred sixteen million, four hundred seven thousand, two hundred thirty-five".