6998356454 has 16 divisors (see below), whose sum is σ = 10932071040. Its totient is φ = 3356330880.

The previous prime is 6998356403. The next prime is 6998356457. The reversal of 6998356454 is 4546538996.

It is a junction number, because it is equal to n+sod(n) for n = 6998356393 and 6998356402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6998356457) 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, 492449 + ... + 506460.

It is an arithmetic number, because the mean of its divisors is an integer number (683254440).

Almost surely, 2^6998356454 is an apocalyptic number.

6998356454 is a deficient number, since it is larger than the sum of its proper divisors (3933714586).

6998356454 is a wasteful number, since it uses less digits than its factorization.

6998356454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999055.

The product of its digits is 27993600, while the sum is 59.

The square root of 6998356454 is about 83656.1800108037. The cubic root of 6998356454 is about 1912.7814572254.

The spelling of 6998356454 in words is "six billion, nine hundred ninety-eight million, three hundred fifty-six thousand, four hundred fifty-four".