945379669 has 8 divisors (see below), whose sum is σ = 1018909080. Its totient is φ = 871965696.

The previous prime is 945379661. The next prime is 945379691. The reversal of 945379669 is 966973549.

945379669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 156500100 + 788879569 = 12510^2 + 28087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 945379669 - 2³ = 945379661 is a prime.

It is a super-2 number, since 2×945379669² = 1787485437117099122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945379661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11452 + ... + 44965.

It is an arithmetic number, because the mean of its divisors is an integer number (127363635).

Almost surely, 2^945379669 is an apocalyptic number.

It is an amenable number.

945379669 is a deficient number, since it is larger than the sum of its proper divisors (73529411).

945379669 is a wasteful number, since it uses less digits than its factorization.

945379669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57719.

The product of its digits is 11022480, while the sum is 58.

The square root of 945379669 is about 30747.0269944917. The cubic root of 945379669 is about 981.4512958281.

The spelling of 945379669 in words is "nine hundred forty-five million, three hundred seventy-nine thousand, six hundred sixty-nine".