1963680241 has 2 divisors, whose sum is σ = 1963680242. Its totient is φ = 1963680240.

The previous prime is 1963680227. The next prime is 1963680331. The reversal of 1963680241 is 1420863691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1960718400 + 2961841 = 44280^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1963680241 - 2¹³ = 1963672049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1963680194 and 1963680203.

It is not a weakly prime, because it can be changed into another prime (1963680541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981840120 + 981840121.

It is an arithmetic number, because the mean of its divisors is an integer number (981840121).

Almost surely, 2^1963680241 is an apocalyptic number.

It is an amenable number.

1963680241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1963680241 is an equidigital number, since it uses as much as digits as its factorization.

1963680241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1963680241 is about 44313.4318350543. The cubic root of 1963680241 is about 1252.2477404543.

The spelling of 1963680241 in words is "one billion, nine hundred sixty-three million, six hundred eighty thousand, two hundred forty-one".