41887566920509 has 8 divisors (see below), whose sum is σ = 43073640346968. Its totient is φ = 40704334390080.

The previous prime is 41887566920501. The next prime is 41887566920513. The reversal of 41887566920509 is 90502966578814.

It can be written as a sum of positive squares in 4 ways, for example, as 22338762432100 + 19548804488409 = 4726390^2 + 4421403^2 .

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 41887566920509 - 2³ = 41887566920501 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 (41887566920501) 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, 710194102 + ... + 710253079.

It is an arithmetic number, because the mean of its divisors is an integer number (5384205043371).

Almost surely, 2^{41887566920509} is an apocalyptic number.

It is an amenable number.

41887566920509 is a deficient number, since it is larger than the sum of its proper divisors (1186073426459).

41887566920509 is a wasteful number, since it uses less digits than its factorization.

41887566920509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420448015.

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 41887566920509 in words is "forty-one trillion, eight hundred eighty-seven billion, five hundred sixty-six million, nine hundred twenty thousand, five hundred nine".