7743020641 has 2 divisors, whose sum is σ = 7743020642. Its totient is φ = 7743020640.

The previous prime is 7743020627. The next prime is 7743020647. The reversal of 7743020641 is 1460203477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7224320016 + 518700625 = 84996^2 + 22775^2 .

It is a cyclic number.

It is not a de Polignac number, because 7743020641 - 2⁷ = 7743020513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7743020597 and 7743020606.

It is not a weakly prime, because it can be changed into another prime (7743020647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3871510320 + 3871510321.

It is an arithmetic number, because the mean of its divisors is an integer number (3871510321).

Almost surely, 2^7743020641 is an apocalyptic number.

It is an amenable number.

7743020641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7743020641 is an equidigital number, since it uses as much as digits as its factorization.

7743020641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 7743020641 is about 87994.4352842837. The cubic root of 7743020641 is about 1978.3515716613.

The spelling of 7743020641 in words is "seven billion, seven hundred forty-three million, twenty thousand, six hundred forty-one".