1613839648 has 24 divisors (see below), whose sum is σ = 3364144812. Its totient is φ = 759453696.

The previous prime is 1613839637. The next prime is 1613839657. The reversal of 1613839648 is 8469383161.

It can be written as a sum of positive squares in 2 ways, for example, as 1375816464 + 238023184 = 37092^2 + 15428^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1482765 + ... + 1483852.

Almost surely, 2^1613839648 is an apocalyptic number.

It is an amenable number.

1613839648 is an abundant number, since it is smaller than the sum of its proper divisors (1750305164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613839648 is a wasteful number, since it uses less digits than its factorization.

1613839648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966644 (or 2966636 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 1613839648 is about 40172.6231157489. The cubic root of 1613839648 is about 1172.9696999310.

The spelling of 1613839648 in words is "one billion, six hundred thirteen million, eight hundred thirty-nine thousand, six hundred forty-eight".