6438350375 has 16 divisors (see below), whose sum is σ = 8038130880. Its totient is φ = 5148712800.

The previous prime is 6438350339. The next prime is 6438350441. The reversal of 6438350375 is 5730538346.

It is not a de Polignac number, because 6438350375 - 2⁸ = 6438350119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380342 + ... + 396908.

It is an arithmetic number, because the mean of its divisors is an integer number (502383180).

Almost surely, 2^6438350375 is an apocalyptic number.

6438350375 is a deficient number, since it is larger than the sum of its proper divisors (1599780505).

6438350375 is a wasteful number, since it uses less digits than its factorization.

6438350375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19691 (or 19681 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

The square root of 6438350375 is about 80239.3318454235. The cubic root of 6438350375 is about 1860.3366229876.

The spelling of 6438350375 in words is "six billion, four hundred thirty-eight million, three hundred fifty thousand, three hundred seventy-five".