6898989454 has 8 divisors (see below), whose sum is σ = 11826839088. Its totient is φ = 2956709760.

The previous prime is 6898989421. The next prime is 6898989467. The reversal of 6898989454 is 4549898986.

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, 246392467 + ... + 246392494.

It is an arithmetic number, because the mean of its divisors is an integer number (1478354886).

Almost surely, 2^6898989454 is an apocalyptic number.

6898989454 is a deficient number, since it is larger than the sum of its proper divisors (4927849634).

6898989454 is a wasteful number, since it uses less digits than its factorization.

6898989454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492784970.

The product of its digits is 179159040, while the sum is 70.

The square root of 6898989454 is about 83060.1556343353. The cubic root of 6898989454 is about 1903.6853175461.

The spelling of 6898989454 in words is "six billion, eight hundred ninety-eight million, nine hundred eighty-nine thousand, four hundred fifty-four".