438495329 has 2 divisors, whose sum is σ = 438495330. Its totient is φ = 438495328.

The previous prime is 438495307. The next prime is 438495349. The reversal of 438495329 is 923594834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268140625 + 170354704 = 16375^2 + 13052^2 .

It is a cyclic number.

It is not a de Polignac number, because 438495329 - 2¹⁶ = 438429793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (438495349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219247664 + 219247665.

It is an arithmetic number, because the mean of its divisors is an integer number (219247665).

Almost surely, 2^438495329 is an apocalyptic number.

It is an amenable number.

438495329 is a deficient number, since it is larger than the sum of its proper divisors (1).

438495329 is an equidigital number, since it uses as much as digits as its factorization.

438495329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The square root of 438495329 is about 20940.2800602093. The cubic root of 438495329 is about 759.7225031458.

The spelling of 438495329 in words is "four hundred thirty-eight million, four hundred ninety-five thousand, three hundred twenty-nine".