941658643 has 2 divisors, whose sum is σ = 941658644. Its totient is φ = 941658642.

The previous prime is 941658593. The next prime is 941658659. The reversal of 941658643 is 346856149.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 941658643 - 2⁹ = 941658131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 941658593 and 941658602.

It is not a weakly prime, because it can be changed into another prime (941650643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470829321 + 470829322.

It is an arithmetic number, because the mean of its divisors is an integer number (470829322).

Almost surely, 2^941658643 is an apocalyptic number.

941658643 is a deficient number, since it is larger than the sum of its proper divisors (1).

941658643 is an equidigital number, since it uses as much as digits as its factorization.

941658643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 941658643 is about 30686.4569965319. The cubic root of 941658643 is about 980.1619345761.

The spelling of 941658643 in words is "nine hundred forty-one million, six hundred fifty-eight thousand, six hundred forty-three".