2648391436 has 12 divisors (see below), whose sum is σ = 4645696720. Its totient is φ = 1321049520.

The previous prime is 2648391413. The next prime is 2648391443. The reversal of 2648391436 is 6341938462.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784656 + ... + 788023.

Almost surely, 2^2648391436 is an apocalyptic number.

It is an amenable number.

2648391436 is a deficient number, since it is larger than the sum of its proper divisors (1997305284).

2648391436 is a wasteful number, since it uses less digits than its factorization.

2648391436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573104 (or 1573102 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 2648391436 is about 51462.5245785708. The cubic root of 2648391436 is about 1383.5474501037.

The spelling of 2648391436 in words is "two billion, six hundred forty-eight million, three hundred ninety-one thousand, four hundred thirty-six".