6998141391 has 8 divisors (see below), whose sum is σ = 9736544640. Its totient is φ = 4462582872.

The previous prime is 6998141383. The next prime is 6998141419. The reversal of 6998141391 is 1931418996.

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

It is not a de Polignac number, because 6998141391 - 2³ = 6998141383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6998141191) 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, 50711101 + ... + 50711238.

It is an arithmetic number, because the mean of its divisors is an integer number (1217068080).

Almost surely, 2^6998141391 is an apocalyptic number.

6998141391 is a deficient number, since it is larger than the sum of its proper divisors (2738403249).

6998141391 is a wasteful number, since it uses less digits than its factorization.

6998141391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101422365.

The product of its digits is 419904, while the sum is 51.

The square root of 6998141391 is about 83654.8946027667. The cubic root of 6998141391 is about 1912.7618634472.

The spelling of 6998141391 in words is "six billion, nine hundred ninety-eight million, one hundred forty-one thousand, three hundred ninety-one".