6419746673 has 8 divisors (see below), whose sum is σ = 6455356776. Its totient is φ = 6384211200.

The previous prime is 6419746661. The next prime is 6419746681. The reversal of 6419746673 is 3766479146.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4502007409 + 1917739264 = 67097^2 + 43792^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6419746673 - 2⁶ = 6419746609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6419746643) 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, 158483 + ... + 194823.

It is an arithmetic number, because the mean of its divisors is an integer number (806919597).

Almost surely, 2^6419746673 is an apocalyptic number.

It is an amenable number.

6419746673 is a deficient number, since it is larger than the sum of its proper divisors (35610103).

6419746673 is a wasteful number, since it uses less digits than its factorization.

6419746673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37315.

The product of its digits is 4572288, while the sum is 53.

The square root of 6419746673 is about 80123.3216548091. The cubic root of 6419746673 is about 1858.5430716229.

The spelling of 6419746673 in words is "six billion, four hundred nineteen million, seven hundred forty-six thousand, six hundred seventy-three".