6858984949 has 8 divisors (see below), whose sum is σ = 7082111232. Its totient is φ = 6635975520.

The previous prime is 6858984907. The next prime is 6858984953. The reversal of 6858984949 is 9494898586.

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 6858984949 - 2²³ = 6850596341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6858981949) 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, 99102 + ... + 153424.

It is an arithmetic number, because the mean of its divisors is an integer number (885263904).

Almost surely, 2^6858984949 is an apocalyptic number.

It is an amenable number.

6858984949 is a deficient number, since it is larger than the sum of its proper divisors (223126283).

6858984949 is a wasteful number, since it uses less digits than its factorization.

6858984949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58427.

The product of its digits is 179159040, while the sum is 70.

The square root of 6858984949 is about 82818.9890604806. The cubic root of 6858984949 is about 1899.9986102483.

The spelling of 6858984949 in words is "six billion, eight hundred fifty-eight million, nine hundred eighty-four thousand, nine hundred forty-nine".