1649224036 has 6 divisors (see below), whose sum is σ = 2886142070. Its totient is φ = 824612016.

The previous prime is 1649224001. The next prime is 1649224037. The reversal of 1649224036 is 6304229461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1485639936 + 163584100 = 38544^2 + 12790^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1649223986 and 1649224004.

It is not an unprimeable number, because it can be changed into a prime (1649224037) by changing a digit.

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, 206153001 + ... + 206153008.

Almost surely, 2^1649224036 is an apocalyptic number.

It is an amenable number.

1649224036 is a deficient number, since it is larger than the sum of its proper divisors (1236918034).

1649224036 is a wasteful number, since it uses less digits than its factorization.

1649224036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412306013 (or 412306011 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 1649224036 is about 40610.6394433774. The cubic root of 1649224036 is about 1181.4804830214.

The spelling of 1649224036 in words is "one billion, six hundred forty-nine million, two hundred twenty-four thousand, thirty-six".