41881801637 has 16 divisors (see below), whose sum is σ = 46316771760. Its totient is φ = 37624780800.

The previous prime is 41881801583. The next prime is 41881801729. The reversal of 41881801637 is 73610818814.

It can be written as a sum of positive squares in 8 ways, for example, as 132687361 + 41749114276 = 11519^2 + 204326^2 .

It is a cyclic number.

It is not a de Polignac number, because 41881801637 - 2¹⁶ = 41881736101 is a prime.

It is a super-2 number, since 2×41881801637² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41881801591 and 41881801600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41881821637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121937 + ... + 314057.

It is an arithmetic number, because the mean of its divisors is an integer number (2894798235).

Almost surely, 2^41881801637 is an apocalyptic number.

It is an amenable number.

41881801637 is a deficient number, since it is larger than the sum of its proper divisors (4434970123).

41881801637 is a wasteful number, since it uses less digits than its factorization.

41881801637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192584.

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 41881801637 in words is "forty-one billion, eight hundred eighty-one million, eight hundred one thousand, six hundred thirty-seven".