1648472329 has 8 divisors (see below), whose sum is σ = 1905137280. Its totient is φ = 1397099616.

The previous prime is 1648472327. The next prime is 1648472339. The reversal of 1648472329 is 9232748461.

It is a happy number.

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 1648472329 - 2¹ = 1648472327 is a prime.

It is a super-2 number, since 2×1648472329² = 5434922038957368482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1648472321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322389 + ... + 1323634.

It is an arithmetic number, because the mean of its divisors is an integer number (238142160).

Almost surely, 2^1648472329 is an apocalyptic number.

It is an amenable number.

1648472329 is a deficient number, since it is larger than the sum of its proper divisors (256664951).

1648472329 is an equidigital number, since it uses as much as digits as its factorization.

1648472329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646119.

The product of its digits is 580608, while the sum is 46.

The square root of 1648472329 is about 40601.3833385022. The cubic root of 1648472329 is about 1181.3009516986.

The spelling of 1648472329 in words is "one billion, six hundred forty-eight million, four hundred seventy-two thousand, three hundred twenty-nine".