944829661 has 2 divisors, whose sum is σ = 944829662. Its totient is φ = 944829660.

The previous prime is 944829637. The next prime is 944829709. The reversal of 944829661 is 166928449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921122500 + 23707161 = 30350^2 + 4869^2 .

It is a cyclic number.

It is not a de Polignac number, because 944829661 - 2⁵ = 944829629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944820661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472414830 + 472414831.

It is an arithmetic number, because the mean of its divisors is an integer number (472414831).

Almost surely, 2^944829661 is an apocalyptic number.

It is an amenable number.

944829661 is a deficient number, since it is larger than the sum of its proper divisors (1).

944829661 is an equidigital number, since it uses as much as digits as its factorization.

944829661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 944829661 is about 30738.0816089749. The cubic root of 944829661 is about 981.2609275914.

The spelling of 944829661 in words is "nine hundred forty-four million, eight hundred twenty-nine thousand, six hundred sixty-one".