6949146659 has 24 divisors (see below), whose sum is σ = 9052439040. Its totient is φ = 5208828768.

The previous prime is 6949146647. The next prime is 6949146683. The reversal of 6949146659 is 9566419496.

It is a happy number.

It is not a de Polignac number, because 6949146659 - 2⁴ = 6949146643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6949146598 and 6949146607.

It is not an unprimeable number, because it can be changed into a prime (6949146619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132107 + ... + 177060.

It is an arithmetic number, because the mean of its divisors is an integer number (377184960).

Almost surely, 2^6949146659 is an apocalyptic number.

6949146659 is a deficient number, since it is larger than the sum of its proper divisors (2103292381).

6949146659 is a wasteful number, since it uses less digits than its factorization.

6949146659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309219 (or 309206 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 59.

The square root of 6949146659 is about 83361.5418463454. The cubic root of 6949146659 is about 1908.2875891240.

The spelling of 6949146659 in words is "six billion, nine hundred forty-nine million, one hundred forty-six thousand, six hundred fifty-nine".