6998350438 has 8 divisors (see below), whose sum is σ = 10953939888. Its totient is φ = 3347037144.

The previous prime is 6998350423. The next prime is 6998350451. The reversal of 6998350438 is 8340538996.

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, 76068981 + ... + 76069072.

It is an arithmetic number, because the mean of its divisors is an integer number (1369242486).

Almost surely, 2^6998350438 is an apocalyptic number.

6998350438 is a deficient number, since it is larger than the sum of its proper divisors (3955589450).

6998350438 is a wasteful number, since it uses less digits than its factorization.

6998350438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152138078.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The square root of 6998350438 is about 83656.1440540980. The cubic root of 6998350438 is about 1912.7809091302.

The spelling of 6998350438 in words is "six billion, nine hundred ninety-eight million, three hundred fifty thousand, four hundred thirty-eight".