438089413 has 2 divisors, whose sum is σ = 438089414. Its totient is φ = 438089412.

The previous prime is 438089411. The next prime is 438089453. The reversal of 438089413 is 314980834.

It is an a-pointer prime, because the next prime (438089453) can be obtained adding 438089413 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358647844 + 79441569 = 18938^2 + 8913^2 .

It is a cyclic number.

It is not a de Polignac number, because 438089413 - 2¹ = 438089411 is a prime.

Together with 438089411, 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 (438089411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219044706 + 219044707.

It is an arithmetic number, because the mean of its divisors is an integer number (219044707).

Almost surely, 2^438089413 is an apocalyptic number.

It is an amenable number.

438089413 is a deficient number, since it is larger than the sum of its proper divisors (1).

438089413 is an equidigital number, since it uses as much as digits as its factorization.

438089413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 438089413 is about 20930.5855866481. The cubic root of 438089413 is about 759.4880052274.

The spelling of 438089413 in words is "four hundred thirty-eight million, eighty-nine thousand, four hundred thirteen".