438507380741 has 2 divisors, whose sum is σ = 438507380742. Its totient is φ = 438507380740.

The previous prime is 438507380683. The next prime is 438507380743. The reversal of 438507380741 is 147083705834.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430736253025 + 7771127716 = 656305^2 + 88154^2 .

It is a cyclic number.

It is not a de Polignac number, because 438507380741 - 2⁶ = 438507380677 is a prime.

Together with 438507380743, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 438507380741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438507380743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219253690370 + 219253690371.

It is an arithmetic number, because the mean of its divisors is an integer number (219253690371).

Almost surely, 2^438507380741 is an apocalyptic number.

It is an amenable number.

438507380741 is a deficient number, since it is larger than the sum of its proper divisors (1).

438507380741 is an equidigital number, since it uses as much as digits as its factorization.

438507380741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 438507380741 in words is "four hundred thirty-eight billion, five hundred seven million, three hundred eighty thousand, seven hundred forty-one".