41650397881 has 2 divisors, whose sum is σ = 41650397882. Its totient is φ = 41650397880.

The previous prime is 41650397879. The next prime is 41650397983. The reversal of 41650397881 is 18879305614.

41650397881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38194839225 + 3455558656 = 195435^2 + 58784^2 .

It is a cyclic number.

It is not a de Polignac number, because 41650397881 - 2¹ = 41650397879 is a prime.

It is a super-2 number, since 2×41650397881² (a number of 22 digits) contains 22 as substring.

Together with 41650397879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41650397821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20825198940 + 20825198941.

It is an arithmetic number, because the mean of its divisors is an integer number (20825198941).

Almost surely, 2^41650397881 is an apocalyptic number.

It is an amenable number.

41650397881 is a deficient number, since it is larger than the sum of its proper divisors (1).

41650397881 is an equidigital number, since it uses as much as digits as its factorization.

41650397881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 41650397881 in words is "forty-one billion, six hundred fifty million, three hundred ninety-seven thousand, eight hundred eighty-one".