3193948649 has 2 divisors, whose sum is σ = 3193948650. Its totient is φ = 3193948648.

The previous prime is 3193948643. The next prime is 3193948679. The reversal of 3193948649 is 9468493913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3083025625 + 110923024 = 55525^2 + 10532^2 .

It is a cyclic number.

It is not a de Polignac number, because 3193948649 - 2¹⁶ = 3193883113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3193948594 and 3193948603.

It is not a weakly prime, because it can be changed into another prime (3193948643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596974324 + 1596974325.

It is an arithmetic number, because the mean of its divisors is an integer number (1596974325).

Almost surely, 2^3193948649 is an apocalyptic number.

It is an amenable number.

3193948649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3193948649 is an equidigital number, since it uses as much as digits as its factorization.

3193948649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 56.

The square root of 3193948649 is about 56515.0302928345. The cubic root of 3193948649 is about 1472.6831229945.

The spelling of 3193948649 in words is "three billion, one hundred ninety-three million, nine hundred forty-eight thousand, six hundred forty-nine".