1008644313 has 8 divisors (see below), whose sum is σ = 1345090528. Its totient is φ = 672313824.

The previous prime is 1008644311. The next prime is 1008644327. The reversal of 1008644313 is 3134468001.

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

It is not a de Polignac number, because 1008644313 - 2¹ = 1008644311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1008644311) 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, 5995 + ... + 45312.

It is an arithmetic number, because the mean of its divisors is an integer number (168136316).

Almost surely, 2^1008644313 is an apocalyptic number.

It is an amenable number.

1008644313 is a deficient number, since it is larger than the sum of its proper divisors (336446215).

1008644313 is an equidigital number, since it uses as much as digits as its factorization.

1008644313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57863.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1008644313 is about 31759.1610877869. The cubic root of 1008644313 is about 1002.8731746281.

The spelling of 1008644313 in words is "one billion, eight million, six hundred forty-four thousand, three hundred thirteen".