3646263556 has 36 divisors (see below), whose sum is σ = 6926074932. Its totient is φ = 1678869504.

The previous prime is 3646263539. The next prime is 3646263559. The reversal of 3646263556 is 6553626463.

It can be written as a sum of positive squares in 6 ways, for example, as 651985156 + 2994278400 = 25534^2 + 54720^2 .

It is not an unprimeable number, because it can be changed into a prime (3646263559) 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 in 11 ways as a sum of consecutive naturals, for example, 286480 + ... + 298936.

Almost surely, 2^3646263556 is an apocalyptic number.

It is an amenable number.

3646263556 is a deficient number, since it is larger than the sum of its proper divisors (3279811376).

3646263556 is a wasteful number, since it uses less digits than its factorization.

3646263556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12905 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 46.

The square root of 3646263556 is about 60384.2989195039. The cubic root of 3646263556 is about 1539.1561627703.

The spelling of 3646263556 in words is "three billion, six hundred forty-six million, two hundred sixty-three thousand, five hundred fifty-six".