941815663 has 2 divisors, whose sum is σ = 941815664. Its totient is φ = 941815662.

The previous prime is 941815621. The next prime is 941815669. The reversal of 941815663 is 366518149.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 941815663 - 2¹⁷ = 941684591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (941815669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470907831 + 470907832.

It is an arithmetic number, because the mean of its divisors is an integer number (470907832).

Almost surely, 2^941815663 is an apocalyptic number.

941815663 is a deficient number, since it is larger than the sum of its proper divisors (1).

941815663 is an equidigital number, since it uses as much as digits as its factorization.

941815663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 941815663 is about 30689.0153475148. The cubic root of 941815663 is about 980.2164116680.

The spelling of 941815663 in words is "nine hundred forty-one million, eight hundred fifteen thousand, six hundred sixty-three".