41438128379 has 2 divisors, whose sum is σ = 41438128380. Its totient is φ = 41438128378.

The previous prime is 41438128343. The next prime is 41438128453. The reversal of 41438128379 is 97382183414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41438128379 - 2¹² = 41438124283 is a prime.

It is not a weakly prime, because it can be changed into another prime (41438128279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20719064189 + 20719064190.

It is an arithmetic number, because the mean of its divisors is an integer number (20719064190).

Almost surely, 2^41438128379 is an apocalyptic number.

41438128379 is a deficient number, since it is larger than the sum of its proper divisors (1).

41438128379 is an equidigital number, since it uses as much as digits as its factorization.

41438128379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The spelling of 41438128379 in words is "forty-one billion, four hundred thirty-eight million, one hundred twenty-eight thousand, three hundred seventy-nine".