640515727414241 has 8 divisors (see below), whose sum is σ = 747592824702720. Its totient is φ = 537332342754528.

The previous prime is 640515727414217. The next prime is 640515727414259. The reversal of 640515727414241 is 142414727515046.

640515727414241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 640515727414241 - 2¹⁸ = 640515727152097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (640515727414291) 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, 973428156836 + ... + 973428157493.

It is an arithmetic number, because the mean of its divisors is an integer number (93449103087840).

Almost surely, 2^{640515727414241} is an apocalyptic number.

It is an amenable number.

640515727414241 is a deficient number, since it is larger than the sum of its proper divisors (107077097288479).

640515727414241 is a wasteful number, since it uses less digits than its factorization.

640515727414241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946856314383.

The product of its (nonzero) digits is 7526400, while the sum is 53.

The spelling of 640515727414241 in words is "six hundred forty trillion, five hundred fifteen billion, seven hundred twenty-seven million, four hundred fourteen thousand, two hundred forty-one".