41438317399 has 2 divisors, whose sum is σ = 41438317400. Its totient is φ = 41438317398.

The previous prime is 41438317397. The next prime is 41438317409. The reversal of 41438317399 is 99371383414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41438317399 - 2¹ = 41438317397 is a prime.

It is a super-2 number, since 2×41438317399² (a number of 22 digits) contains 22 as substring.

Together with 41438317397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41438317397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20719158699 + 20719158700.

It is an arithmetic number, because the mean of its divisors is an integer number (20719158700).

Almost surely, 2^41438317399 is an apocalyptic number.

41438317399 is a deficient number, since it is larger than the sum of its proper divisors (1).

41438317399 is an equidigital number, since it uses as much as digits as its factorization.

41438317399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The spelling of 41438317399 in words is "forty-one billion, four hundred thirty-eight million, three hundred seventeen thousand, three hundred ninety-nine".