6455631745 has 8 divisors (see below), whose sum is σ = 7747387200. Its totient is φ = 5164086000.

The previous prime is 6455631701. The next prime is 6455631779. The reversal of 6455631745 is 5471365546.

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

It is not a de Polignac number, because 6455631745 - 2⁷ = 6455631617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6455631695 and 6455631704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25956 + ... + 116554.

It is an arithmetic number, because the mean of its divisors is an integer number (968423400).

Almost surely, 2^6455631745 is an apocalyptic number.

It is an amenable number.

6455631745 is a deficient number, since it is larger than the sum of its proper divisors (1291755455).

6455631745 is a wasteful number, since it uses less digits than its factorization.

6455631745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104855.

The product of its digits is 1512000, while the sum is 46.

The square root of 6455631745 is about 80346.9460838432. The cubic root of 6455631745 is about 1861.9995978321. Note that the first 3 decimals are identical.

The spelling of 6455631745 in words is "six billion, four hundred fifty-five million, six hundred thirty-one thousand, seven hundred forty-five".