3648785953 has 2 divisors, whose sum is σ = 3648785954. Its totient is φ = 3648785952.

The previous prime is 3648785923. The next prime is 3648785989. The reversal of 3648785953 is 3595878463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3636451809 + 12334144 = 60303^2 + 3512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3648785953 is a prime.

It is not a weakly prime, because it can be changed into another prime (3648785923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824392976 + 1824392977.

It is an arithmetic number, because the mean of its divisors is an integer number (1824392977).

Almost surely, 2^3648785953 is an apocalyptic number.

It is an amenable number.

3648785953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648785953 is an equidigital number, since it uses as much as digits as its factorization.

3648785953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 58.

The square root of 3648785953 is about 60405.1815078806. The cubic root of 3648785953 is about 1539.5109979717.

The spelling of 3648785953 in words is "three billion, six hundred forty-eight million, seven hundred eighty-five thousand, nine hundred fifty-three".