6607427949 has 6 divisors (see below), whose sum is σ = 9544062606. Its totient is φ = 4404951960.

The previous prime is 6607427933. The next prime is 6607427989. The reversal of 6607427949 is 9497247066.

It is a happy number.

6607427949 is a `hidden beast` number, since 6 + 607 + 4 + 27 + 9 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4640061924 + 1967366025 = 68118^2 + 44355^2 .

It is not a de Polignac number, because 6607427949 - 2⁴ = 6607427933 is a prime.

It is a super-3 number, since 3×6607427949³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6607427895 and 6607427904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6607427989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367079322 + ... + 367079339.

It is an arithmetic number, because the mean of its divisors is an integer number (1590677101).

Almost surely, 2^6607427949 is an apocalyptic number.

It is an amenable number.

6607427949 is a deficient number, since it is larger than the sum of its proper divisors (2936634657).

6607427949 is a wasteful number, since it uses less digits than its factorization.

6607427949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734158667 (or 734158664 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 6607427949 is about 81286.0870567651. The cubic root of 6607427949 is about 1876.4808874640.

The spelling of 6607427949 in words is "six billion, six hundred seven million, four hundred twenty-seven thousand, nine hundred forty-nine".