5901861605641 has 8 divisors (see below), whose sum is σ = 5946518733480. Its totient is φ = 5857227345408.

The previous prime is 5901861605621. The next prime is 5901861605723. The reversal of 5901861605641 is 1465061681095.

It can be written as a sum of positive squares in 4 ways, for example, as 741672329616 + 5160189276025 = 861204^2 + 2271605^2 .

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 5901861605641 - 2¹³ = 5901861597449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5901861605621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198596 + ... + 6231301.

It is an arithmetic number, because the mean of its divisors is an integer number (743314841685).

Almost surely, 2^{5901861605641} is an apocalyptic number.

It is an amenable number.

5901861605641 is a deficient number, since it is larger than the sum of its proper divisors (44657127839).

5901861605641 is a wasteful number, since it uses less digits than its factorization.

5901861605641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433803.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 5901861605641 in words is "five trillion, nine hundred one billion, eight hundred sixty-one million, six hundred five thousand, six hundred forty-one".