438645422351 has 8 divisors (see below), whose sum is σ = 480463546320. Its totient is φ = 398606793088.

The previous prime is 438645422309. The next prime is 438645422353. The reversal of 438645422351 is 153224546834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438645422351 - 2¹⁰ = 438645421327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 438645422296 and 438645422305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438645422353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444873161 + ... + 444874146.

It is an arithmetic number, because the mean of its divisors is an integer number (60057943290).

Almost surely, 2^438645422351 is an apocalyptic number.

438645422351 is a deficient number, since it is larger than the sum of its proper divisors (41818123969).

438645422351 is a wasteful number, since it uses less digits than its factorization.

438645422351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889747353.

The product of its digits is 2764800, while the sum is 47.

The spelling of 438645422351 in words is "four hundred thirty-eight billion, six hundred forty-five million, four hundred twenty-two thousand, three hundred fifty-one".