6917143438 has 8 divisors (see below), whose sum is σ = 10382586480. Its totient is φ = 3456281280.

The previous prime is 6917143411. The next prime is 6917143459. The reversal of 6917143438 is 8343417196.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141443 + ... + 1147486.

It is an arithmetic number, because the mean of its divisors is an integer number (1297823310).

Almost surely, 2^6917143438 is an apocalyptic number.

6917143438 is a deficient number, since it is larger than the sum of its proper divisors (3465443042).

6917143438 is a wasteful number, since it uses less digits than its factorization.

6917143438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290442.

The product of its digits is 435456, while the sum is 46.

The square root of 6917143438 is about 83169.3659829146. The cubic root of 6917143438 is about 1905.3536393598.

The spelling of 6917143438 in words is "six billion, nine hundred seventeen million, one hundred forty-three thousand, four hundred thirty-eight".