299249961669 has 12 divisors (see below), whose sum is σ = 433017713856. Its totient is φ = 199145619432.

The previous prime is 299249961643. The next prime is 299249961679. The reversal of 299249961669 is 966169942992.

299249961669 is a `hidden beast` number, since 299 + 249 + 96 + 1 + 6 + 6 + 9 = 666.

It is not a de Polignac number, because 299249961669 - 2⁷ = 299249961541 is a prime.

It is a super-2 number, since 2×299249961669² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 299249961597 and 299249961606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299249961679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29524237 + ... + 29534370.

It is an arithmetic number, because the mean of its divisors is an integer number (36084809488).

Almost surely, 2^299249961669 is an apocalyptic number.

It is an amenable number.

299249961669 is a deficient number, since it is larger than the sum of its proper divisors (133767752187).

299249961669 is a wasteful number, since it uses less digits than its factorization.

299249961669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59059176 (or 59059173 counting only the distinct ones).

The product of its digits is 204073344, while the sum is 72.

The spelling of 299249961669 in words is "two hundred ninety-nine billion, two hundred forty-nine million, nine hundred sixty-one thousand, six hundred sixty-nine".