641043762837841 has 8 divisors (see below), whose sum is σ = 701554719252384. Its totient is φ = 580905181540320.

The previous prime is 641043762837781. The next prime is 641043762837883. The reversal of 641043762837841 is 148738267340146.

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 641043762837841 - 2¹³ = 641043762829649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641043762832841) 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, 93093775651 + ... + 93093782536.

It is an arithmetic number, because the mean of its divisors is an integer number (87694339906548).

Almost surely, 2^{641043762837841} is an apocalyptic number.

It is an amenable number.

641043762837841 is a deficient number, since it is larger than the sum of its proper divisors (60510956414543).

641043762837841 is a wasteful number, since it uses less digits than its factorization.

641043762837841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186187558511.

The product of its (nonzero) digits is 130056192, while the sum is 64.

The spelling of 641043762837841 in words is "six hundred forty-one trillion, forty-three billion, seven hundred sixty-two million, eight hundred thirty-seven thousand, eight hundred forty-one".