946540669 has 2 divisors, whose sum is σ = 946540670. Its totient is φ = 946540668.

The previous prime is 946540627. The next prime is 946540709. The reversal of 946540669 is 966045649.

946540669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636956644 + 309584025 = 25238^2 + 17595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946540669 is a prime.

It is a super-2 number, since 2×946540669² = 1791878476141935122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946541669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473270334 + 473270335.

It is an arithmetic number, because the mean of its divisors is an integer number (473270335).

Almost surely, 2^946540669 is an apocalyptic number.

It is an amenable number.

946540669 is a deficient number, since it is larger than the sum of its proper divisors (1).

946540669 is an equidigital number, since it uses as much as digits as its factorization.

946540669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 946540669 is about 30765.9010757039. The cubic root of 946540669 is about 981.8528977309.

The spelling of 946540669 in words is "nine hundred forty-six million, five hundred forty thousand, six hundred sixty-nine".