64413006410681 has 4 divisors (see below), whose sum is σ = 64449132607872. Its totient is φ = 64376880213492.

The previous prime is 64413006410617. The next prime is 64413006410723. The reversal of 64413006410681 is 18601460031446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64413006410681 - 2⁶ = 64413006410617 is a prime.

It is a super-2 number, since 2×64413006410681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64413006410381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18063095921 + ... + 18063099486.

It is an arithmetic number, because the mean of its divisors is an integer number (16112283151968).

Almost surely, 2^{64413006410681} is an apocalyptic number.

It is an amenable number.

64413006410681 is a deficient number, since it is larger than the sum of its proper divisors (36126197191).

64413006410681 is a wasteful number, since it uses less digits than its factorization.

64413006410681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36126197190.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 64413006410681 in words is "sixty-four trillion, four hundred thirteen billion, six million, four hundred ten thousand, six hundred eighty-one".