6851154490 has 16 divisors (see below), whose sum is σ = 12480658848. Its totient is φ = 2707443856.

The previous prime is 6851154487. The next prime is 6851154553. The reversal of 6851154490 is 944511586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4126372 + ... + 4128031.

It is an arithmetic number, because the mean of its divisors is an integer number (780041178).

Almost surely, 2^6851154490 is an apocalyptic number.

6851154490 is a deficient number, since it is larger than the sum of its proper divisors (5629504358).

6851154490 is a wasteful number, since it uses less digits than its factorization.

6851154490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254493.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 6851154490 is about 82771.7010215448. The cubic root of 6851154490 is about 1899.2752997964.

The spelling of 6851154490 in words is "six billion, eight hundred fifty-one million, one hundred fifty-four thousand, four hundred ninety".