641684740143413 has 8 divisors (see below), whose sum is σ = 649416489609888. Its totient is φ = 633953005153744.

The previous prime is 641684740143373. The next prime is 641684740143427. The reversal of 641684740143413 is 314341047486146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641684740143413 - 2²⁰ = 641684739094837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641684740143313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105134831 + ... + 111070707.

It is an arithmetic number, because the mean of its divisors is an integer number (81177061201236).

Almost surely, 2^{641684740143413} is an apocalyptic number.

It is an amenable number.

641684740143413 is a deficient number, since it is larger than the sum of its proper divisors (7731749466475).

641684740143413 is a wasteful number, since it uses less digits than its factorization.

641684740143413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238403.

The product of its (nonzero) digits is 18579456, while the sum is 56.

The spelling of 641684740143413 in words is "six hundred forty-one trillion, six hundred eighty-four billion, seven hundred forty million, one hundred forty-three thousand, four hundred thirteen".