6441216454 has 8 divisors (see below), whose sum is σ = 9665243640. Its totient is φ = 3219468576.

The previous prime is 6441216409. The next prime is 6441216497. The reversal of 6441216454 is 4546121446.

It is a happy number.

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, 562744 + ... + 574075.

It is an arithmetic number, because the mean of its divisors is an integer number (1208155455).

Almost surely, 2^6441216454 is an apocalyptic number.

6441216454 is a deficient number, since it is larger than the sum of its proper divisors (3224027186).

6441216454 is a wasteful number, since it uses less digits than its factorization.

6441216454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139654.

The product of its digits is 92160, while the sum is 37.

The square root of 6441216454 is about 80257.1894225059. The cubic root of 6441216454 is about 1860.6126295441.

The spelling of 6441216454 in words is "six billion, four hundred forty-one million, two hundred sixteen thousand, four hundred fifty-four".