6634948851 has 12 divisors (see below), whose sum is σ = 10000502928. Its totient is φ = 4230981744.

The previous prime is 6634948847. The next prime is 6634948907. The reversal of 6634948851 is 1588494366.

6634948851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6634948851 - 2² = 6634948847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6634948051) 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, 16026240 + ... + 16026653.

It is an arithmetic number, because the mean of its divisors is an integer number (833375244).

Almost surely, 2^6634948851 is an apocalyptic number.

6634948851 is a deficient number, since it is larger than the sum of its proper divisors (3365554077).

6634948851 is a wasteful number, since it uses less digits than its factorization.

6634948851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32052922 (or 32052919 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 6634948851 is about 81455.1953591666. The cubic root of 6634948851 is about 1879.0825509764.

The spelling of 6634948851 in words is "six billion, six hundred thirty-four million, nine hundred forty-eight thousand, eight hundred fifty-one".