41322857981 has 8 divisors (see below), whose sum is σ = 41500660344. Its totient is φ = 41145108480.

The previous prime is 41322857951. The next prime is 41322858007. The reversal of 41322857981 is 18975822314.

It can be written as a sum of positive squares in 4 ways, for example, as 549152356 + 40773705625 = 23434^2 + 201925^2 .

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 41322857981 - 2²² = 41318663677 is a prime.

It is a super-2 number, since 2×41322857981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41322857911) 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, 3119885 + ... + 3133101.

It is an arithmetic number, because the mean of its divisors is an integer number (5187582543).

Almost surely, 2^41322857981 is an apocalyptic number.

It is an amenable number.

41322857981 is a deficient number, since it is larger than the sum of its proper divisors (177802363).

41322857981 is a wasteful number, since it uses less digits than its factorization.

41322857981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26431.

The product of its digits is 967680, while the sum is 50.

The spelling of 41322857981 in words is "forty-one billion, three hundred twenty-two million, eight hundred fifty-seven thousand, nine hundred eighty-one".