6906374849 has 16 divisors (see below), whose sum is σ = 7682822784. Its totient is φ = 6155904000.

The previous prime is 6906374819. The next prime is 6906374851. The reversal of 6906374849 is 9484736096.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6906374849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6906374794 and 6906374803.

It is not an unprimeable number, because it can be changed into a prime (6906374819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84257 + ... + 144609.

It is an arithmetic number, because the mean of its divisors is an integer number (480176424).

Almost surely, 2^6906374849 is an apocalyptic number.

It is an amenable number.

6906374849 is a deficient number, since it is larger than the sum of its proper divisors (776447935).

6906374849 is a wasteful number, since it uses less digits than its factorization.

6906374849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60568.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 6906374849 is about 83104.6018521237. The cubic root of 6906374849 is about 1904.3643761337.

The spelling of 6906374849 in words is "six billion, nine hundred six million, three hundred seventy-four thousand, eight hundred forty-nine".