994741669 has 2 divisors, whose sum is σ = 994741670. Its totient is φ = 994741668.

The previous prime is 994741667. The next prime is 994741691. The reversal of 994741669 is 966147499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 551639169 + 443102500 = 23487^2 + 21050^2 .

It is a cyclic number.

It is not a de Polignac number, because 994741669 - 2¹ = 994741667 is a prime.

It is a super-2 number, since 2×994741669² = 1979021976089811122, which contains 22 as substring.

Together with 994741667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994741667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497370834 + 497370835.

It is an arithmetic number, because the mean of its divisors is an integer number (497370835).

Almost surely, 2^994741669 is an apocalyptic number.

It is an amenable number.

994741669 is a deficient number, since it is larger than the sum of its proper divisors (1).

994741669 is an equidigital number, since it uses as much as digits as its factorization.

994741669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The square root of 994741669 is about 31539.5255037231. The cubic root of 994741669 is about 998.2441417663.

The spelling of 994741669 in words is "nine hundred ninety-four million, seven hundred forty-one thousand, six hundred sixty-nine".