648824362 has 4 divisors (see below), whose sum is σ = 973236546. Its totient is φ = 324412180.

The previous prime is 648824359. The next prime is 648824399. The reversal of 648824362 is 263428846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 263428846 = 2 ⋅131714423.

It can be written as a sum of positive squares in only one way, i.e., 590927481 + 57896881 = 24309^2 + 7609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162206089 + ... + 162206092.

Almost surely, 2^648824362 is an apocalyptic number.

648824362 is a deficient number, since it is larger than the sum of its proper divisors (324412184).

648824362 is a wasteful number, since it uses less digits than its factorization.

648824362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324412183.

The product of its digits is 442368, while the sum is 43.

The square root of 648824362 is about 25472.0309751696. The cubic root of 648824362 is about 865.7165421606.

The spelling of 648824362 in words is "six hundred forty-eight million, eight hundred twenty-four thousand, three hundred sixty-two".