6851948253 has 8 divisors (see below), whose sum is σ = 9142312128. Its totient is φ = 4564774944.

The previous prime is 6851948237. The next prime is 6851948261. The reversal of 6851948253 is 3528491586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6851948253 - 2⁴ = 6851948237 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6851948196 and 6851948205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851946253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792625 + ... + 801222.

It is an arithmetic number, because the mean of its divisors is an integer number (1142789016).

Almost surely, 2^6851948253 is an apocalyptic number.

It is an amenable number.

6851948253 is a deficient number, since it is larger than the sum of its proper divisors (2290363875).

6851948253 is a wasteful number, since it uses less digits than its factorization.

6851948253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595283.

The product of its digits is 2073600, while the sum is 51.

The square root of 6851948253 is about 82776.4957762770. The cubic root of 6851948253 is about 1899.3486458894.

The spelling of 6851948253 in words is "six billion, eight hundred fifty-one million, nine hundred forty-eight thousand, two hundred fifty-three".