647153547441 has 8 divisors (see below), whose sum is σ = 862918701120. Its totient is φ = 431412046032.

The previous prime is 647153547431. The next prime is 647153547449. The reversal of 647153547441 is 144745351746.

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

It is not a de Polignac number, because 647153547441 - 2¹⁷ = 647153416369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (647153547449) 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, 5849125 + ... + 5958738.

It is an arithmetic number, because the mean of its divisors is an integer number (107864837640).

Almost surely, 2^647153547441 is an apocalyptic number.

It is an amenable number.

647153547441 is a deficient number, since it is larger than the sum of its proper divisors (215765153679).

647153547441 is a wasteful number, since it uses less digits than its factorization.

647153547441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11826135.

The product of its digits is 5644800, while the sum is 51.

The spelling of 647153547441 in words is "six hundred forty-seven billion, one hundred fifty-three million, five hundred forty-seven thousand, four hundred forty-one".