6890851913 has 8 divisors (see below), whose sum is σ = 7574678496. Its totient is φ = 6216589600.

The previous prime is 6890851909. The next prime is 6890851949. The reversal of 6890851913 is 3191580986.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6890851913 - 2² = 6890851909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6890851613) 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, 2389556 + ... + 2392437.

It is an arithmetic number, because the mean of its divisors is an integer number (946834812).

Almost surely, 2^6890851913 is an apocalyptic number.

It is an amenable number.

6890851913 is a deficient number, since it is larger than the sum of its proper divisors (683826583).

6890851913 is a wasteful number, since it uses less digits than its factorization.

6890851913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782135.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 6890851913 is about 83011.1553527597. The cubic root of 6890851913 is about 1902.9365406310.

The spelling of 6890851913 in words is "six billion, eight hundred ninety million, eight hundred fifty-one thousand, nine hundred thirteen".