1648634832398 has 8 divisors (see below), whose sum is σ = 2473002439392. Its totient is φ = 824300685936.

The previous prime is 1648634832349. The next prime is 1648634832431. The reversal of 1648634832398 is 8932384368461.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8241590 + ... + 8439257.

It is an arithmetic number, because the mean of its divisors is an integer number (309125304924).

Almost surely, 2^{1648634832398} is an apocalyptic number.

1648634832398 is a deficient number, since it is larger than the sum of its proper divisors (824367606994).

1648634832398 is a wasteful number, since it uses less digits than its factorization.

1648634832398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16730266.

The product of its digits is 143327232, while the sum is 65.

The spelling of 1648634832398 in words is "one trillion, six hundred forty-eight billion, six hundred thirty-four million, eight hundred thirty-two thousand, three hundred ninety-eight".