6443379454 has 8 divisors (see below), whose sum is σ = 9672629760. Its totient is φ = 3219169536.

The previous prime is 6443379443. The next prime is 6443379473. The reversal of 6443379454 is 4549733446.

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

It is a junction number, because it is equal to n+sod(n) for n = 6443379398 and 6443379407.

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, 1256899 + ... + 1262014.

It is an arithmetic number, because the mean of its divisors is an integer number (1209078720).

Almost surely, 2^6443379454 is an apocalyptic number.

6443379454 is a deficient number, since it is larger than the sum of its proper divisors (3229250306).

6443379454 is a wasteful number, since it uses less digits than its factorization.

6443379454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520194.

The product of its digits is 4354560, while the sum is 49.

The square root of 6443379454 is about 80270.6637196928. The cubic root of 6443379454 is about 1860.8208746143.

The spelling of 6443379454 in words is "six billion, four hundred forty-three million, three hundred seventy-nine thousand, four hundred fifty-four".