6895138757 has 8 divisors (see below), whose sum is σ = 7482219360. Its totient is φ = 6316156080.

The previous prime is 6895138753. The next prime is 6895138771. The reversal of 6895138757 is 7578315986.

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

It is not a de Polignac number, because 6895138757 - 2² = 6895138753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6895138696 and 6895138705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6895138753) 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, 2022707 + ... + 2026112.

It is an arithmetic number, because the mean of its divisors is an integer number (935277420).

Almost surely, 2^6895138757 is an apocalyptic number.

It is an amenable number.

6895138757 is a deficient number, since it is larger than the sum of its proper divisors (587080603).

6895138757 is a wasteful number, since it uses less digits than its factorization.

6895138757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048963.

The product of its digits is 12700800, while the sum is 59.

The square root of 6895138757 is about 83036.9722292426. The cubic root of 6895138757 is about 1903.3310685814.

The spelling of 6895138757 in words is "six billion, eight hundred ninety-five million, one hundred thirty-eight thousand, seven hundred fifty-seven".